Home / 3,648.24-5,471.14-1,456.40

Finding the Fourth Proportional to 3,648.24, 5,471.14 and 1,456.40

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Solution

The fourth proportional to 3,648.24, 5,471.14 and 1,456.40 is: 2,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.24 : 5,471.14 = 1,456.40 : x
  2. Step 2: Convert to fraction form
    3,648.24/5,471.14 = 1,456.40/x
  3. Step 3: Cross multiply
    3,648.24x = 5,471.14 × 1,456.40
  4. Step 4: Simplify right side
    3,648.24x = 7,968,168.30
  5. Step 5: Solve for x
    x = 7,968,168.30/3,648.24
  6. Step 6: Final answer
    x = 2,184.11

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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.