Home / 1,644.10-2,463.90-1,057.30

Finding the Fourth Proportional to 1,644.10, 2,463.90 and 1,057.30

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Solution

The fourth proportional to 1,644.10, 2,463.90 and 1,057.30 is: 1,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.10 : 2,463.90 = 1,057.30 : x
  2. Step 2: Convert to fraction form
    1,644.10/2,463.90 = 1,057.30/x
  3. Step 3: Cross multiply
    1,644.10x = 2,463.90 × 1,057.30
  4. Step 4: Simplify right side
    1,644.10x = 2,605,081.47
  5. Step 5: Solve for x
    x = 2,605,081.47/1,644.10
  6. Step 6: Final answer
    x = 1,584.50

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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.