Home / 3,663.29-5,492.71-1,439.47

Finding the Fourth Proportional to 3,663.29, 5,492.71 and 1,439.47

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Solution

The fourth proportional to 3,663.29, 5,492.71 and 1,439.47 is: 2,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.29 : 5,492.71 = 1,439.47 : x
  2. Step 2: Convert to fraction form
    3,663.29/5,492.71 = 1,439.47/x
  3. Step 3: Cross multiply
    3,663.29x = 5,492.71 × 1,439.47
  4. Step 4: Simplify right side
    3,663.29x = 7,906,599.93
  5. Step 5: Solve for x
    x = 7,906,599.93/3,663.29
  6. Step 6: Final answer
    x = 2,158.33

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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.