Home / 3,117.52-4,676.19-926.29

Finding the Fourth Proportional to 3,117.52, 4,676.19 and 926.29

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Solution

The fourth proportional to 3,117.52, 4,676.19 and 926.29 is: 1,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.52 : 4,676.19 = 926.29 : x
  2. Step 2: Convert to fraction form
    3,117.52/4,676.19 = 926.29/x
  3. Step 3: Cross multiply
    3,117.52x = 4,676.19 × 926.29
  4. Step 4: Simplify right side
    3,117.52x = 4,331,508.04
  5. Step 5: Solve for x
    x = 4,331,508.04/3,117.52
  6. Step 6: Final answer
    x = 1,389.41

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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.