Home / 2,974.11-4,461.78-1,125.18

Finding the Fourth Proportional to 2,974.11, 4,461.78 and 1,125.18

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Solution

The fourth proportional to 2,974.11, 4,461.78 and 1,125.18 is: 1,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.11 : 4,461.78 = 1,125.18 : x
  2. Step 2: Convert to fraction form
    2,974.11/4,461.78 = 1,125.18/x
  3. Step 3: Cross multiply
    2,974.11x = 4,461.78 × 1,125.18
  4. Step 4: Simplify right side
    2,974.11x = 5,020,305.62
  5. Step 5: Solve for x
    x = 5,020,305.62/2,974.11
  6. Step 6: Final answer
    x = 1,688.00

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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.