Home / 2,487.49-3,432.62-1,368.41

Finding the Fourth Proportional to 2,487.49, 3,432.62 and 1,368.41

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Solution

The fourth proportional to 2,487.49, 3,432.62 and 1,368.41 is: 1,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.49 : 3,432.62 = 1,368.41 : x
  2. Step 2: Convert to fraction form
    2,487.49/3,432.62 = 1,368.41/x
  3. Step 3: Cross multiply
    2,487.49x = 3,432.62 × 1,368.41
  4. Step 4: Simplify right side
    2,487.49x = 4,697,217.79
  5. Step 5: Solve for x
    x = 4,697,217.79/2,487.49
  6. Step 6: Final answer
    x = 1,888.34

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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.