Home / 2,354.52-3,531.40-710.78

Finding the Fourth Proportional to 2,354.52, 3,531.40 and 710.78

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Solution

The fourth proportional to 2,354.52, 3,531.40 and 710.78 is: 1,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.52 : 3,531.40 = 710.78 : x
  2. Step 2: Convert to fraction form
    2,354.52/3,531.40 = 710.78/x
  3. Step 3: Cross multiply
    2,354.52x = 3,531.40 × 710.78
  4. Step 4: Simplify right side
    2,354.52x = 2,510,029.06
  5. Step 5: Solve for x
    x = 2,510,029.06/2,354.52
  6. Step 6: Final answer
    x = 1,066.05

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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.