Home / 2,239.90-3,358.64-1,718.61

Finding the Fourth Proportional to 2,239.90, 3,358.64 and 1,718.61

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Solution

The fourth proportional to 2,239.90, 3,358.64 and 1,718.61 is: 2,576.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.90 : 3,358.64 = 1,718.61 : x
  2. Step 2: Convert to fraction form
    2,239.90/3,358.64 = 1,718.61/x
  3. Step 3: Cross multiply
    2,239.90x = 3,358.64 × 1,718.61
  4. Step 4: Simplify right side
    2,239.90x = 5,772,192.29
  5. Step 5: Solve for x
    x = 5,772,192.29/2,239.90
  6. Step 6: Final answer
    x = 2,576.99

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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.