Home / 1,717.58-2,576.70-621.92

Finding the Fourth Proportional to 1,717.58, 2,576.70 and 621.92

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Solution

The fourth proportional to 1,717.58, 2,576.70 and 621.92 is: 932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.58 : 2,576.70 = 621.92 : x
  2. Step 2: Convert to fraction form
    1,717.58/2,576.70 = 621.92/x
  3. Step 3: Cross multiply
    1,717.58x = 2,576.70 × 621.92
  4. Step 4: Simplify right side
    1,717.58x = 1,602,488.38
  5. Step 5: Solve for x
    x = 1,602,488.38/1,717.58
  6. Step 6: Final answer
    x = 932.99

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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.