Home / 3,103.12-4,279.08-2,395.08

Finding the Fourth Proportional to 3,103.12, 4,279.08 and 2,395.08

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Solution

The fourth proportional to 3,103.12, 4,279.08 and 2,395.08 is: 3,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.12 : 4,279.08 = 2,395.08 : x
  2. Step 2: Convert to fraction form
    3,103.12/4,279.08 = 2,395.08/x
  3. Step 3: Cross multiply
    3,103.12x = 4,279.08 × 2,395.08
  4. Step 4: Simplify right side
    3,103.12x = 10,248,738.93
  5. Step 5: Solve for x
    x = 10,248,738.93/3,103.12
  6. Step 6: Final answer
    x = 3,302.72

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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.