Home / 1,718.61-2,575.85-1,125.93

Finding the Fourth Proportional to 1,718.61, 2,575.85 and 1,125.93

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Solution

The fourth proportional to 1,718.61, 2,575.85 and 1,125.93 is: 1,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.61 : 2,575.85 = 1,125.93 : x
  2. Step 2: Convert to fraction form
    1,718.61/2,575.85 = 1,125.93/x
  3. Step 3: Cross multiply
    1,718.61x = 2,575.85 × 1,125.93
  4. Step 4: Simplify right side
    1,718.61x = 2,900,226.79
  5. Step 5: Solve for x
    x = 2,900,226.79/1,718.61
  6. Step 6: Final answer
    x = 1,687.54

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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.