Home / 2,981.75-4,472.62-2,054.53

Finding the Fourth Proportional to 2,981.75, 4,472.62 and 2,054.53

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Solution

The fourth proportional to 2,981.75, 4,472.62 and 2,054.53 is: 3,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.75 : 4,472.62 = 2,054.53 : x
  2. Step 2: Convert to fraction form
    2,981.75/4,472.62 = 2,054.53/x
  3. Step 3: Cross multiply
    2,981.75x = 4,472.62 × 2,054.53
  4. Step 4: Simplify right side
    2,981.75x = 9,189,132.42
  5. Step 5: Solve for x
    x = 9,189,132.42/2,981.75
  6. Step 6: Final answer
    x = 3,081.80

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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.