Home / 1,476.16-2,037.28-886.72

Finding the Fourth Proportional to 1,476.16, 2,037.28 and 886.72

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Solution

The fourth proportional to 1,476.16, 2,037.28 and 886.72 is: 1,223.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.16 : 2,037.28 = 886.72 : x
  2. Step 2: Convert to fraction form
    1,476.16/2,037.28 = 886.72/x
  3. Step 3: Cross multiply
    1,476.16x = 2,037.28 × 886.72
  4. Step 4: Simplify right side
    1,476.16x = 1,806,496.92
  5. Step 5: Solve for x
    x = 1,806,496.92/1,476.16
  6. Step 6: Final answer
    x = 1,223.78

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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.