Home / 1,654.32-2,476.44-1,421.04

Finding the Fourth Proportional to 1,654.32, 2,476.44 and 1,421.04

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Solution

The fourth proportional to 1,654.32, 2,476.44 and 1,421.04 is: 2,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.32 : 2,476.44 = 1,421.04 : x
  2. Step 2: Convert to fraction form
    1,654.32/2,476.44 = 1,421.04/x
  3. Step 3: Cross multiply
    1,654.32x = 2,476.44 × 1,421.04
  4. Step 4: Simplify right side
    1,654.32x = 3,519,120.30
  5. Step 5: Solve for x
    x = 3,519,120.30/1,654.32
  6. Step 6: Final answer
    x = 2,127.23

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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.