Home / 1,677.46-2,314.62-1,047.88

Finding the Fourth Proportional to 1,677.46, 2,314.62 and 1,047.88

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Solution

The fourth proportional to 1,677.46, 2,314.62 and 1,047.88 is: 1,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.46 : 2,314.62 = 1,047.88 : x
  2. Step 2: Convert to fraction form
    1,677.46/2,314.62 = 1,047.88/x
  3. Step 3: Cross multiply
    1,677.46x = 2,314.62 × 1,047.88
  4. Step 4: Simplify right side
    1,677.46x = 2,425,444.01
  5. Step 5: Solve for x
    x = 2,425,444.01/1,677.46
  6. Step 6: Final answer
    x = 1,445.90

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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.