Home / 3,726.16-5,142.28-2,070.16

Finding the Fourth Proportional to 3,726.16, 5,142.28 and 2,070.16

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Solution

The fourth proportional to 3,726.16, 5,142.28 and 2,070.16 is: 2,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.16 : 5,142.28 = 2,070.16 : x
  2. Step 2: Convert to fraction form
    3,726.16/5,142.28 = 2,070.16/x
  3. Step 3: Cross multiply
    3,726.16x = 5,142.28 × 2,070.16
  4. Step 4: Simplify right side
    3,726.16x = 10,645,342.36
  5. Step 5: Solve for x
    x = 10,645,342.36/3,726.16
  6. Step 6: Final answer
    x = 2,856.92

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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.