Home / 3,521.93-4,857.86-2,195.15

Finding the Fourth Proportional to 3,521.93, 4,857.86 and 2,195.15

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Solution

The fourth proportional to 3,521.93, 4,857.86 and 2,195.15 is: 3,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.93 : 4,857.86 = 2,195.15 : x
  2. Step 2: Convert to fraction form
    3,521.93/4,857.86 = 2,195.15/x
  3. Step 3: Cross multiply
    3,521.93x = 4,857.86 × 2,195.15
  4. Step 4: Simplify right side
    3,521.93x = 10,663,720.40
  5. Step 5: Solve for x
    x = 10,663,720.40/3,521.93
  6. Step 6: Final answer
    x = 3,027.81

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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.