Home / 2,869.92-4,304.64-1,138.08

Finding the Fourth Proportional to 2,869.92, 4,304.64 and 1,138.08

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Solution

The fourth proportional to 2,869.92, 4,304.64 and 1,138.08 is: 1,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.92 : 4,304.64 = 1,138.08 : x
  2. Step 2: Convert to fraction form
    2,869.92/4,304.64 = 1,138.08/x
  3. Step 3: Cross multiply
    2,869.92x = 4,304.64 × 1,138.08
  4. Step 4: Simplify right side
    2,869.92x = 4,899,024.69
  5. Step 5: Solve for x
    x = 4,899,024.69/2,869.92
  6. Step 6: Final answer
    x = 1,707.02

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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.