Home / 3,581.40-5,369.77-1,502.74

Finding the Fourth Proportional to 3,581.40, 5,369.77 and 1,502.74

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Solution

The fourth proportional to 3,581.40, 5,369.77 and 1,502.74 is: 2,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.40 : 5,369.77 = 1,502.74 : x
  2. Step 2: Convert to fraction form
    3,581.40/5,369.77 = 1,502.74/x
  3. Step 3: Cross multiply
    3,581.40x = 5,369.77 × 1,502.74
  4. Step 4: Simplify right side
    3,581.40x = 8,069,368.17
  5. Step 5: Solve for x
    x = 8,069,368.17/3,581.40
  6. Step 6: Final answer
    x = 2,253.13

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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.