Home / 1,717.50-2,576.52-621.66

Finding the Fourth Proportional to 1,717.50, 2,576.52 and 621.66

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Solution

The fourth proportional to 1,717.50, 2,576.52 and 621.66 is: 932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.50 : 2,576.52 = 621.66 : x
  2. Step 2: Convert to fraction form
    1,717.50/2,576.52 = 621.66/x
  3. Step 3: Cross multiply
    1,717.50x = 2,576.52 × 621.66
  4. Step 4: Simplify right side
    1,717.50x = 1,601,719.42
  5. Step 5: Solve for x
    x = 1,601,719.42/1,717.50
  6. Step 6: Final answer
    x = 932.59

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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.