Home / 3,513.71-5,268.60-1,539.05

Finding the Fourth Proportional to 3,513.71, 5,268.60 and 1,539.05

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Solution

The fourth proportional to 3,513.71, 5,268.60 and 1,539.05 is: 2,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.71 : 5,268.60 = 1,539.05 : x
  2. Step 2: Convert to fraction form
    3,513.71/5,268.60 = 1,539.05/x
  3. Step 3: Cross multiply
    3,513.71x = 5,268.60 × 1,539.05
  4. Step 4: Simplify right side
    3,513.71x = 8,108,612.49
  5. Step 5: Solve for x
    x = 8,108,612.49/3,513.71
  6. Step 6: Final answer
    x = 2,307.71

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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.