Home / 2,253.90-3,381.96-1,521.87

Finding the Fourth Proportional to 2,253.90, 3,381.96 and 1,521.87

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Solution

The fourth proportional to 2,253.90, 3,381.96 and 1,521.87 is: 2,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.90 : 3,381.96 = 1,521.87 : x
  2. Step 2: Convert to fraction form
    2,253.90/3,381.96 = 1,521.87/x
  3. Step 3: Cross multiply
    2,253.90x = 3,381.96 × 1,521.87
  4. Step 4: Simplify right side
    2,253.90x = 5,146,903.47
  5. Step 5: Solve for x
    x = 5,146,903.47/2,253.90
  6. Step 6: Final answer
    x = 2,283.55

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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.