Home / 4,045.68-5,581.62-3,101.76

Finding the Fourth Proportional to 4,045.68, 5,581.62 and 3,101.76

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Solution

The fourth proportional to 4,045.68, 5,581.62 and 3,101.76 is: 4,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.68 : 5,581.62 = 3,101.76 : x
  2. Step 2: Convert to fraction form
    4,045.68/5,581.62 = 3,101.76/x
  3. Step 3: Cross multiply
    4,045.68x = 5,581.62 × 3,101.76
  4. Step 4: Simplify right side
    4,045.68x = 17,312,845.65
  5. Step 5: Solve for x
    x = 17,312,845.65/4,045.68
  6. Step 6: Final answer
    x = 4,279.34

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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.