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Finding the Fourth Proportional to 4,331.99, 5,978.00 and 2,443.62

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Solution

The fourth proportional to 4,331.99, 5,978.00 and 2,443.62 is: 3,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.99 : 5,978.00 = 2,443.62 : x
  2. Step 2: Convert to fraction form
    4,331.99/5,978.00 = 2,443.62/x
  3. Step 3: Cross multiply
    4,331.99x = 5,978.00 × 2,443.62
  4. Step 4: Simplify right side
    4,331.99x = 14,607,966.47
  5. Step 5: Solve for x
    x = 14,607,966.47/4,331.99
  6. Step 6: Final answer
    x = 3,372.11

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1.5x scale

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.