Home / 1,917.61-2,871.33-1,545.43

Finding the Fourth Proportional to 1,917.61, 2,871.33 and 1,545.43

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Solution

The fourth proportional to 1,917.61, 2,871.33 and 1,545.43 is: 2,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.61 : 2,871.33 = 1,545.43 : x
  2. Step 2: Convert to fraction form
    1,917.61/2,871.33 = 1,545.43/x
  3. Step 3: Cross multiply
    1,917.61x = 2,871.33 × 1,545.43
  4. Step 4: Simplify right side
    1,917.61x = 4,437,439.52
  5. Step 5: Solve for x
    x = 4,437,439.52/1,917.61
  6. Step 6: Final answer
    x = 2,314.05

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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.