Home / 3,726.43-5,141.16-2,290.30

Finding the Fourth Proportional to 3,726.43, 5,141.16 and 2,290.30

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Solution

The fourth proportional to 3,726.43, 5,141.16 and 2,290.30 is: 3,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.43 : 5,141.16 = 2,290.30 : x
  2. Step 2: Convert to fraction form
    3,726.43/5,141.16 = 2,290.30/x
  3. Step 3: Cross multiply
    3,726.43x = 5,141.16 × 2,290.30
  4. Step 4: Simplify right side
    3,726.43x = 11,774,798.75
  5. Step 5: Solve for x
    x = 11,774,798.75/3,726.43
  6. Step 6: Final answer
    x = 3,159.81

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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.