Home / 4,309.48-5,946.60-2,420.63

Finding the Fourth Proportional to 4,309.48, 5,946.60 and 2,420.63

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Solution

The fourth proportional to 4,309.48, 5,946.60 and 2,420.63 is: 3,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.48 : 5,946.60 = 2,420.63 : x
  2. Step 2: Convert to fraction form
    4,309.48/5,946.60 = 2,420.63/x
  3. Step 3: Cross multiply
    4,309.48x = 5,946.60 × 2,420.63
  4. Step 4: Simplify right side
    4,309.48x = 14,394,518.36
  5. Step 5: Solve for x
    x = 14,394,518.36/4,309.48
  6. Step 6: Final answer
    x = 3,340.20

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Half scale
Find fourth proportional to 8,618.96, 11,893.20 and 4,841.26
Double scale
Find fourth proportional to 4,310.48, 5,947.98 and 2,421.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.