Home / 2,974.92-4,465.17-1,515.12

Finding the Fourth Proportional to 2,974.92, 4,465.17 and 1,515.12

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Solution

The fourth proportional to 2,974.92, 4,465.17 and 1,515.12 is: 2,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.92 : 4,465.17 = 1,515.12 : x
  2. Step 2: Convert to fraction form
    2,974.92/4,465.17 = 1,515.12/x
  3. Step 3: Cross multiply
    2,974.92x = 4,465.17 × 1,515.12
  4. Step 4: Simplify right side
    2,974.92x = 6,765,268.37
  5. Step 5: Solve for x
    x = 6,765,268.37/2,974.92
  6. Step 6: Final answer
    x = 2,274.10

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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.