Home / 3,665.92-5,058.40-2,340.80

Finding the Fourth Proportional to 3,665.92, 5,058.40 and 2,340.80

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Solution

The fourth proportional to 3,665.92, 5,058.40 and 2,340.80 is: 3,229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.92 : 5,058.40 = 2,340.80 : x
  2. Step 2: Convert to fraction form
    3,665.92/5,058.40 = 2,340.80/x
  3. Step 3: Cross multiply
    3,665.92x = 5,058.40 × 2,340.80
  4. Step 4: Simplify right side
    3,665.92x = 11,840,702.72
  5. Step 5: Solve for x
    x = 11,840,702.72/3,665.92
  6. Step 6: Final answer
    x = 3,229.94

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1.5x scale

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.