Home / 1,534.12-2,309.48-1,398.04

Finding the Fourth Proportional to 1,534.12, 2,309.48 and 1,398.04

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Solution

The fourth proportional to 1,534.12, 2,309.48 and 1,398.04 is: 2,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.12 : 2,309.48 = 1,398.04 : x
  2. Step 2: Convert to fraction form
    1,534.12/2,309.48 = 1,398.04/x
  3. Step 3: Cross multiply
    1,534.12x = 2,309.48 × 1,398.04
  4. Step 4: Simplify right side
    1,534.12x = 3,228,745.42
  5. Step 5: Solve for x
    x = 3,228,745.42/1,534.12
  6. Step 6: Final answer
    x = 2,104.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.