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Finding the Fourth Proportional to 3,108.42, 4,658.96 and 1,547.96

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Solution

The fourth proportional to 3,108.42, 4,658.96 and 1,547.96 is: 2,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.42 : 4,658.96 = 1,547.96 : x
  2. Step 2: Convert to fraction form
    3,108.42/4,658.96 = 1,547.96/x
  3. Step 3: Cross multiply
    3,108.42x = 4,658.96 × 1,547.96
  4. Step 4: Simplify right side
    3,108.42x = 7,211,883.72
  5. Step 5: Solve for x
    x = 7,211,883.72/3,108.42
  6. Step 6: Final answer
    x = 2,320.11

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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.