Home / 3,070.60-4,608.30-1,427.35

Finding the Fourth Proportional to 3,070.60, 4,608.30 and 1,427.35

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Solution

The fourth proportional to 3,070.60, 4,608.30 and 1,427.35 is: 2,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.60 : 4,608.30 = 1,427.35 : x
  2. Step 2: Convert to fraction form
    3,070.60/4,608.30 = 1,427.35/x
  3. Step 3: Cross multiply
    3,070.60x = 4,608.30 × 1,427.35
  4. Step 4: Simplify right side
    3,070.60x = 6,577,657.01
  5. Step 5: Solve for x
    x = 6,577,657.01/3,070.60
  6. Step 6: Final answer
    x = 2,142.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.