Home / 1,648.80-2,473.20-1,571.04

Finding the Fourth Proportional to 1,648.80, 2,473.20 and 1,571.04

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Solution

The fourth proportional to 1,648.80, 2,473.20 and 1,571.04 is: 2,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.80 : 2,473.20 = 1,571.04 : x
  2. Step 2: Convert to fraction form
    1,648.80/2,473.20 = 1,571.04/x
  3. Step 3: Cross multiply
    1,648.80x = 2,473.20 × 1,571.04
  4. Step 4: Simplify right side
    1,648.80x = 3,885,496.13
  5. Step 5: Solve for x
    x = 3,885,496.13/1,648.80
  6. Step 6: Final answer
    x = 2,356.56

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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.