Home / 1,476.30-2,213.42-654.13

Finding the Fourth Proportional to 1,476.30, 2,213.42 and 654.13

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Solution

The fourth proportional to 1,476.30, 2,213.42 and 654.13 is: 980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.30 : 2,213.42 = 654.13 : x
  2. Step 2: Convert to fraction form
    1,476.30/2,213.42 = 654.13/x
  3. Step 3: Cross multiply
    1,476.30x = 2,213.42 × 654.13
  4. Step 4: Simplify right side
    1,476.30x = 1,447,864.42
  5. Step 5: Solve for x
    x = 1,447,864.42/1,476.30
  6. Step 6: Final answer
    x = 980.74

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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.