Home / 3,726.10-5,140.36-2,529.63

Finding the Fourth Proportional to 3,726.10, 5,140.36 and 2,529.63

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Solution

The fourth proportional to 3,726.10, 5,140.36 and 2,529.63 is: 3,489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.10 : 5,140.36 = 2,529.63 : x
  2. Step 2: Convert to fraction form
    3,726.10/5,140.36 = 2,529.63/x
  3. Step 3: Cross multiply
    3,726.10x = 5,140.36 × 2,529.63
  4. Step 4: Simplify right side
    3,726.10x = 13,003,212.03
  5. Step 5: Solve for x
    x = 13,003,212.03/3,726.10
  6. Step 6: Final answer
    x = 3,489.76

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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.