Home / 2,154.71-3,232.04-1,424.12

Finding the Fourth Proportional to 2,154.71, 3,232.04 and 1,424.12

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Solution

The fourth proportional to 2,154.71, 3,232.04 and 1,424.12 is: 2,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.71 : 3,232.04 = 1,424.12 : x
  2. Step 2: Convert to fraction form
    2,154.71/3,232.04 = 1,424.12/x
  3. Step 3: Cross multiply
    2,154.71x = 3,232.04 × 1,424.12
  4. Step 4: Simplify right side
    2,154.71x = 4,602,789.52
  5. Step 5: Solve for x
    x = 4,602,789.52/2,154.71
  6. Step 6: Final answer
    x = 2,136.16

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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.