Home / 3,588.62-5,384.46-1,398.89

Finding the Fourth Proportional to 3,588.62, 5,384.46 and 1,398.89

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Solution

The fourth proportional to 3,588.62, 5,384.46 and 1,398.89 is: 2,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.62 : 5,384.46 = 1,398.89 : x
  2. Step 2: Convert to fraction form
    3,588.62/5,384.46 = 1,398.89/x
  3. Step 3: Cross multiply
    3,588.62x = 5,384.46 × 1,398.89
  4. Step 4: Simplify right side
    3,588.62x = 7,532,267.25
  5. Step 5: Solve for x
    x = 7,532,267.25/3,588.62
  6. Step 6: Final answer
    x = 2,098.93

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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.