Home / 3,726.34-5,142.17-2,235.08

Finding the Fourth Proportional to 3,726.34, 5,142.17 and 2,235.08

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Solution

The fourth proportional to 3,726.34, 5,142.17 and 2,235.08 is: 3,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.34 : 5,142.17 = 2,235.08 : x
  2. Step 2: Convert to fraction form
    3,726.34/5,142.17 = 2,235.08/x
  3. Step 3: Cross multiply
    3,726.34x = 5,142.17 × 2,235.08
  4. Step 4: Simplify right side
    3,726.34x = 11,493,179.77
  5. Step 5: Solve for x
    x = 11,493,179.77/3,726.34
  6. Step 6: Final answer
    x = 3,084.31

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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.