Home / 1,554.60-2,326.86-1,143.66

Finding the Fourth Proportional to 1,554.60, 2,326.86 and 1,143.66

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Solution

The fourth proportional to 1,554.60, 2,326.86 and 1,143.66 is: 1,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.60 : 2,326.86 = 1,143.66 : x
  2. Step 2: Convert to fraction form
    1,554.60/2,326.86 = 1,143.66/x
  3. Step 3: Cross multiply
    1,554.60x = 2,326.86 × 1,143.66
  4. Step 4: Simplify right side
    1,554.60x = 2,661,136.71
  5. Step 5: Solve for x
    x = 2,661,136.71/1,554.60
  6. Step 6: Final answer
    x = 1,711.78

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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.