Home / 1,654.07-2,479.38-558.06

Finding the Fourth Proportional to 1,654.07, 2,479.38 and 558.06

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Solution

The fourth proportional to 1,654.07, 2,479.38 and 558.06 is: 836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.07 : 2,479.38 = 558.06 : x
  2. Step 2: Convert to fraction form
    1,654.07/2,479.38 = 558.06/x
  3. Step 3: Cross multiply
    1,654.07x = 2,479.38 × 558.06
  4. Step 4: Simplify right side
    1,654.07x = 1,383,642.80
  5. Step 5: Solve for x
    x = 1,383,642.80/1,654.07
  6. Step 6: Final answer
    x = 836.51

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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.