Home / 2,560.96-3,534.30-1,442

Finding the Fourth Proportional to 2,560.96, 3,534.30 and 1,442

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Solution

The fourth proportional to 2,560.96, 3,534.30 and 1,442 is: 1,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.96 : 3,534.30 = 1,442 : x
  2. Step 2: Convert to fraction form
    2,560.96/3,534.30 = 1,442/x
  3. Step 3: Cross multiply
    2,560.96x = 3,534.30 × 1,442
  4. Step 4: Simplify right side
    2,560.96x = 5,096,460.60
  5. Step 5: Solve for x
    x = 5,096,460.60/2,560.96
  6. Step 6: Final answer
    x = 1,990.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.