Home / 2,160.52-3,239.10-926.92

Finding the Fourth Proportional to 2,160.52, 3,239.10 and 926.92

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Solution

The fourth proportional to 2,160.52, 3,239.10 and 926.92 is: 1,389.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.52 : 3,239.10 = 926.92 : x
  2. Step 2: Convert to fraction form
    2,160.52/3,239.10 = 926.92/x
  3. Step 3: Cross multiply
    2,160.52x = 3,239.10 × 926.92
  4. Step 4: Simplify right side
    2,160.52x = 3,002,386.57
  5. Step 5: Solve for x
    x = 3,002,386.57/2,160.52
  6. Step 6: Final answer
    x = 1,389.66

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1.5x scale

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.