Home / 1,442.76-2,161.98-1,334.76

Finding the Fourth Proportional to 1,442.76, 2,161.98 and 1,334.76

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Solution

The fourth proportional to 1,442.76, 2,161.98 and 1,334.76 is: 2,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442.76 : 2,161.98 = 1,334.76 : x
  2. Step 2: Convert to fraction form
    1,442.76/2,161.98 = 1,334.76/x
  3. Step 3: Cross multiply
    1,442.76x = 2,161.98 × 1,334.76
  4. Step 4: Simplify right side
    1,442.76x = 2,885,724.42
  5. Step 5: Solve for x
    x = 2,885,724.42/1,442.76
  6. Step 6: Final answer
    x = 2,000.14

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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.