Home / 3,817.68-5,726.28-1,476.72

Finding the Fourth Proportional to 3,817.68, 5,726.28 and 1,476.72

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Solution

The fourth proportional to 3,817.68, 5,726.28 and 1,476.72 is: 2,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.68 : 5,726.28 = 1,476.72 : x
  2. Step 2: Convert to fraction form
    3,817.68/5,726.28 = 1,476.72/x
  3. Step 3: Cross multiply
    3,817.68x = 5,726.28 × 1,476.72
  4. Step 4: Simplify right side
    3,817.68x = 8,456,112.20
  5. Step 5: Solve for x
    x = 8,456,112.20/3,817.68
  6. Step 6: Final answer
    x = 2,214.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.