Home / 3,726.96-5,142.99-2,235.70

Finding the Fourth Proportional to 3,726.96, 5,142.99 and 2,235.70

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Solution

The fourth proportional to 3,726.96, 5,142.99 and 2,235.70 is: 3,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.96 : 5,142.99 = 2,235.70 : x
  2. Step 2: Convert to fraction form
    3,726.96/5,142.99 = 2,235.70/x
  3. Step 3: Cross multiply
    3,726.96x = 5,142.99 × 2,235.70
  4. Step 4: Simplify right side
    3,726.96x = 11,498,182.74
  5. Step 5: Solve for x
    x = 11,498,182.74/3,726.96
  6. Step 6: Final answer
    x = 3,085.14

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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.