Home / 2,487.84-3,433.01-1,439.97

Finding the Fourth Proportional to 2,487.84, 3,433.01 and 1,439.97

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Solution

The fourth proportional to 2,487.84, 3,433.01 and 1,439.97 is: 1,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.84 : 3,433.01 = 1,439.97 : x
  2. Step 2: Convert to fraction form
    2,487.84/3,433.01 = 1,439.97/x
  3. Step 3: Cross multiply
    2,487.84x = 3,433.01 × 1,439.97
  4. Step 4: Simplify right side
    2,487.84x = 4,943,431.41
  5. Step 5: Solve for x
    x = 4,943,431.41/2,487.84
  6. Step 6: Final answer
    x = 1,987.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.