Home / 2,974.12-4,462.16-1,125.38

Finding the Fourth Proportional to 2,974.12, 4,462.16 and 1,125.38

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Solution

The fourth proportional to 2,974.12, 4,462.16 and 1,125.38 is: 1,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.12 : 4,462.16 = 1,125.38 : x
  2. Step 2: Convert to fraction form
    2,974.12/4,462.16 = 1,125.38/x
  3. Step 3: Cross multiply
    2,974.12x = 4,462.16 × 1,125.38
  4. Step 4: Simplify right side
    2,974.12x = 5,021,631.15
  5. Step 5: Solve for x
    x = 5,021,631.15/2,974.12
  6. Step 6: Final answer
    x = 1,688.44

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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.