Home / 2,974.66-4,430.57-2,818.54

Finding the Fourth Proportional to 2,974.66, 4,430.57 and 2,818.54

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Solution

The fourth proportional to 2,974.66, 4,430.57 and 2,818.54 is: 4,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.66 : 4,430.57 = 2,818.54 : x
  2. Step 2: Convert to fraction form
    2,974.66/4,430.57 = 2,818.54/x
  3. Step 3: Cross multiply
    2,974.66x = 4,430.57 × 2,818.54
  4. Step 4: Simplify right side
    2,974.66x = 12,487,738.77
  5. Step 5: Solve for x
    x = 12,487,738.77/2,974.66
  6. Step 6: Final answer
    x = 4,198.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.