Home / 1,757.30-2,428.28-1,671.88

Finding the Fourth Proportional to 1,757.30, 2,428.28 and 1,671.88

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Solution

The fourth proportional to 1,757.30, 2,428.28 and 1,671.88 is: 2,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.30 : 2,428.28 = 1,671.88 : x
  2. Step 2: Convert to fraction form
    1,757.30/2,428.28 = 1,671.88/x
  3. Step 3: Cross multiply
    1,757.30x = 2,428.28 × 1,671.88
  4. Step 4: Simplify right side
    1,757.30x = 4,059,792.77
  5. Step 5: Solve for x
    x = 4,059,792.77/1,757.30
  6. Step 6: Final answer
    x = 2,310.24

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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.