Home / 4,149.81-5,726.20-2,657.87

Finding the Fourth Proportional to 4,149.81, 5,726.20 and 2,657.87

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Solution

The fourth proportional to 4,149.81, 5,726.20 and 2,657.87 is: 3,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.81 : 5,726.20 = 2,657.87 : x
  2. Step 2: Convert to fraction form
    4,149.81/5,726.20 = 2,657.87/x
  3. Step 3: Cross multiply
    4,149.81x = 5,726.20 × 2,657.87
  4. Step 4: Simplify right side
    4,149.81x = 15,219,453.27
  5. Step 5: Solve for x
    x = 15,219,453.27/4,149.81
  6. Step 6: Final answer
    x = 3,667.51

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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.