Home / 3,521.08-4,859.22-2,279.08

Finding the Fourth Proportional to 3,521.08, 4,859.22 and 2,279.08

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Solution

The fourth proportional to 3,521.08, 4,859.22 and 2,279.08 is: 3,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.08 : 4,859.22 = 2,279.08 : x
  2. Step 2: Convert to fraction form
    3,521.08/4,859.22 = 2,279.08/x
  3. Step 3: Cross multiply
    3,521.08x = 4,859.22 × 2,279.08
  4. Step 4: Simplify right side
    3,521.08x = 11,074,551.12
  5. Step 5: Solve for x
    x = 11,074,551.12/3,521.08
  6. Step 6: Final answer
    x = 3,145.21

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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.