Home / 2,001.42-3,002.40-1,026.90

Finding the Fourth Proportional to 2,001.42, 3,002.40 and 1,026.90

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Solution

The fourth proportional to 2,001.42, 3,002.40 and 1,026.90 is: 1,540.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.42 : 3,002.40 = 1,026.90 : x
  2. Step 2: Convert to fraction form
    2,001.42/3,002.40 = 1,026.90/x
  3. Step 3: Cross multiply
    2,001.42x = 3,002.40 × 1,026.90
  4. Step 4: Simplify right side
    2,001.42x = 3,083,164.56
  5. Step 5: Solve for x
    x = 3,083,164.56/2,001.42
  6. Step 6: Final answer
    x = 1,540.49

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1.5x scale

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.