Home / 3,726.32-5,142.02-2,047.68

Finding the Fourth Proportional to 3,726.32, 5,142.02 and 2,047.68

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Solution

The fourth proportional to 3,726.32, 5,142.02 and 2,047.68 is: 2,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.32 : 5,142.02 = 2,047.68 : x
  2. Step 2: Convert to fraction form
    3,726.32/5,142.02 = 2,047.68/x
  3. Step 3: Cross multiply
    3,726.32x = 5,142.02 × 2,047.68
  4. Step 4: Simplify right side
    3,726.32x = 10,529,201.28
  5. Step 5: Solve for x
    x = 10,529,201.28/3,726.32
  6. Step 6: Final answer
    x = 2,825.63

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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.