Home / 2,974.01-4,105.76-2,031.19

Finding the Fourth Proportional to 2,974.01, 4,105.76 and 2,031.19

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Solution

The fourth proportional to 2,974.01, 4,105.76 and 2,031.19 is: 2,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.01 : 4,105.76 = 2,031.19 : x
  2. Step 2: Convert to fraction form
    2,974.01/4,105.76 = 2,031.19/x
  3. Step 3: Cross multiply
    2,974.01x = 4,105.76 × 2,031.19
  4. Step 4: Simplify right side
    2,974.01x = 8,339,558.23
  5. Step 5: Solve for x
    x = 8,339,558.23/2,974.01
  6. Step 6: Final answer
    x = 2,804.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.