Home / 3,108.90-4,658.97-1,547.43

Finding the Fourth Proportional to 3,108.90, 4,658.97 and 1,547.43

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Solution

The fourth proportional to 3,108.90, 4,658.97 and 1,547.43 is: 2,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.90 : 4,658.97 = 1,547.43 : x
  2. Step 2: Convert to fraction form
    3,108.90/4,658.97 = 1,547.43/x
  3. Step 3: Cross multiply
    3,108.90x = 4,658.97 × 1,547.43
  4. Step 4: Simplify right side
    3,108.90x = 7,209,429.95
  5. Step 5: Solve for x
    x = 7,209,429.95/3,108.90
  6. Step 6: Final answer
    x = 2,318.96

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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.