Home / 2,981.09-4,471.45-1,337.10

Finding the Fourth Proportional to 2,981.09, 4,471.45 and 1,337.10

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Solution

The fourth proportional to 2,981.09, 4,471.45 and 1,337.10 is: 2,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.09 : 4,471.45 = 1,337.10 : x
  2. Step 2: Convert to fraction form
    2,981.09/4,471.45 = 1,337.10/x
  3. Step 3: Cross multiply
    2,981.09x = 4,471.45 × 1,337.10
  4. Step 4: Simplify right side
    2,981.09x = 5,978,775.80
  5. Step 5: Solve for x
    x = 5,978,775.80/2,981.09
  6. Step 6: Final answer
    x = 2,005.57

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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.