Home / 3,560.10-4,913.08-1,987.88

Finding the Fourth Proportional to 3,560.10, 4,913.08 and 1,987.88

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Solution

The fourth proportional to 3,560.10, 4,913.08 and 1,987.88 is: 2,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.10 : 4,913.08 = 1,987.88 : x
  2. Step 2: Convert to fraction form
    3,560.10/4,913.08 = 1,987.88/x
  3. Step 3: Cross multiply
    3,560.10x = 4,913.08 × 1,987.88
  4. Step 4: Simplify right side
    3,560.10x = 9,766,613.47
  5. Step 5: Solve for x
    x = 9,766,613.47/3,560.10
  6. Step 6: Final answer
    x = 2,743.35

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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.