Home / 3,079.08-4,252.50-1,902.96

Finding the Fourth Proportional to 3,079.08, 4,252.50 and 1,902.96

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Solution

The fourth proportional to 3,079.08, 4,252.50 and 1,902.96 is: 2,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.08 : 4,252.50 = 1,902.96 : x
  2. Step 2: Convert to fraction form
    3,079.08/4,252.50 = 1,902.96/x
  3. Step 3: Cross multiply
    3,079.08x = 4,252.50 × 1,902.96
  4. Step 4: Simplify right side
    3,079.08x = 8,092,337.40
  5. Step 5: Solve for x
    x = 8,092,337.40/3,079.08
  6. Step 6: Final answer
    x = 2,628.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.