Home / 3,466.90-5,193.47-1,615.47

Finding the Fourth Proportional to 3,466.90, 5,193.47 and 1,615.47

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Solution

The fourth proportional to 3,466.90, 5,193.47 and 1,615.47 is: 2,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.90 : 5,193.47 = 1,615.47 : x
  2. Step 2: Convert to fraction form
    3,466.90/5,193.47 = 1,615.47/x
  3. Step 3: Cross multiply
    3,466.90x = 5,193.47 × 1,615.47
  4. Step 4: Simplify right side
    3,466.90x = 8,389,879.54
  5. Step 5: Solve for x
    x = 8,389,879.54/3,466.90
  6. Step 6: Final answer
    x = 2,419.99

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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.