Home / 3,826.13-5,279.26-2,501.78

Finding the Fourth Proportional to 3,826.13, 5,279.26 and 2,501.78

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Solution

The fourth proportional to 3,826.13, 5,279.26 and 2,501.78 is: 3,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.13 : 5,279.26 = 2,501.78 : x
  2. Step 2: Convert to fraction form
    3,826.13/5,279.26 = 2,501.78/x
  3. Step 3: Cross multiply
    3,826.13x = 5,279.26 × 2,501.78
  4. Step 4: Simplify right side
    3,826.13x = 13,207,547.08
  5. Step 5: Solve for x
    x = 13,207,547.08/3,826.13
  6. Step 6: Final answer
    x = 3,451.93

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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.