Home / 3,742.61-5,164.65-2,209.53

Finding the Fourth Proportional to 3,742.61, 5,164.65 and 2,209.53

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Solution

The fourth proportional to 3,742.61, 5,164.65 and 2,209.53 is: 3,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.61 : 5,164.65 = 2,209.53 : x
  2. Step 2: Convert to fraction form
    3,742.61/5,164.65 = 2,209.53/x
  3. Step 3: Cross multiply
    3,742.61x = 5,164.65 × 2,209.53
  4. Step 4: Simplify right side
    3,742.61x = 11,411,449.11
  5. Step 5: Solve for x
    x = 11,411,449.11/3,742.61
  6. Step 6: Final answer
    x = 3,049.06

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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.