Home / 2,444.30-3,665.10-981.80

Finding the Fourth Proportional to 2,444.30, 3,665.10 and 981.80

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Solution

The fourth proportional to 2,444.30, 3,665.10 and 981.80 is: 1,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.30 : 3,665.10 = 981.80 : x
  2. Step 2: Convert to fraction form
    2,444.30/3,665.10 = 981.80/x
  3. Step 3: Cross multiply
    2,444.30x = 3,665.10 × 981.80
  4. Step 4: Simplify right side
    2,444.30x = 3,598,395.18
  5. Step 5: Solve for x
    x = 3,598,395.18/2,444.30
  6. Step 6: Final answer
    x = 1,472.16

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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.