Home / 1,350.42-2,026.01-425.96

Finding the Fourth Proportional to 1,350.42, 2,026.01 and 425.96

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Solution

The fourth proportional to 1,350.42, 2,026.01 and 425.96 is: 639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.42 : 2,026.01 = 425.96 : x
  2. Step 2: Convert to fraction form
    1,350.42/2,026.01 = 425.96/x
  3. Step 3: Cross multiply
    1,350.42x = 2,026.01 × 425.96
  4. Step 4: Simplify right side
    1,350.42x = 862,986.96
  5. Step 5: Solve for x
    x = 862,986.96/1,350.42
  6. Step 6: Final answer
    x = 639.05

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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.