Home / 2,424.18-3,639.50-1,438.82

Finding the Fourth Proportional to 2,424.18, 3,639.50 and 1,438.82

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Solution

The fourth proportional to 2,424.18, 3,639.50 and 1,438.82 is: 2,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.18 : 3,639.50 = 1,438.82 : x
  2. Step 2: Convert to fraction form
    2,424.18/3,639.50 = 1,438.82/x
  3. Step 3: Cross multiply
    2,424.18x = 3,639.50 × 1,438.82
  4. Step 4: Simplify right side
    2,424.18x = 5,236,560.00
  5. Step 5: Solve for x
    x = 5,236,560.00/2,424.18
  6. Step 6: Final answer
    x = 2,160.14

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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.