Home / 1,554.80-2,330.14-579.92

Finding the Fourth Proportional to 1,554.80, 2,330.14 and 579.92

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Solution

The fourth proportional to 1,554.80, 2,330.14 and 579.92 is: 869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.80 : 2,330.14 = 579.92 : x
  2. Step 2: Convert to fraction form
    1,554.80/2,330.14 = 579.92/x
  3. Step 3: Cross multiply
    1,554.80x = 2,330.14 × 579.92
  4. Step 4: Simplify right side
    1,554.80x = 1,351,294.79
  5. Step 5: Solve for x
    x = 1,351,294.79/1,554.80
  6. Step 6: Final answer
    x = 869.11

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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.