Home / 3,143.21-4,337.28-1,726.92

Finding the Fourth Proportional to 3,143.21, 4,337.28 and 1,726.92

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Solution

The fourth proportional to 3,143.21, 4,337.28 and 1,726.92 is: 2,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.21 : 4,337.28 = 1,726.92 : x
  2. Step 2: Convert to fraction form
    3,143.21/4,337.28 = 1,726.92/x
  3. Step 3: Cross multiply
    3,143.21x = 4,337.28 × 1,726.92
  4. Step 4: Simplify right side
    3,143.21x = 7,490,135.58
  5. Step 5: Solve for x
    x = 7,490,135.58/3,143.21
  6. Step 6: Final answer
    x = 2,382.96

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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.