Home / 1,817.46-2,729.79-1,557.36

Finding the Fourth Proportional to 1,817.46, 2,729.79 and 1,557.36

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Solution

The fourth proportional to 1,817.46, 2,729.79 and 1,557.36 is: 2,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.46 : 2,729.79 = 1,557.36 : x
  2. Step 2: Convert to fraction form
    1,817.46/2,729.79 = 1,557.36/x
  3. Step 3: Cross multiply
    1,817.46x = 2,729.79 × 1,557.36
  4. Step 4: Simplify right side
    1,817.46x = 4,251,265.75
  5. Step 5: Solve for x
    x = 4,251,265.75/1,817.46
  6. Step 6: Final answer
    x = 2,339.12

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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.