Home / 4,149.40-5,726.30-2,381.36

Finding the Fourth Proportional to 4,149.40, 5,726.30 and 2,381.36

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Solution

The fourth proportional to 4,149.40, 5,726.30 and 2,381.36 is: 3,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.40 : 5,726.30 = 2,381.36 : x
  2. Step 2: Convert to fraction form
    4,149.40/5,726.30 = 2,381.36/x
  3. Step 3: Cross multiply
    4,149.40x = 5,726.30 × 2,381.36
  4. Step 4: Simplify right side
    4,149.40x = 13,636,381.77
  5. Step 5: Solve for x
    x = 13,636,381.77/4,149.40
  6. Step 6: Final answer
    x = 3,286.35

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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.