Home / 3,521.80-4,862.34-2,197.32

Finding the Fourth Proportional to 3,521.80, 4,862.34 and 2,197.32

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Solution

The fourth proportional to 3,521.80, 4,862.34 and 2,197.32 is: 3,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.80 : 4,862.34 = 2,197.32 : x
  2. Step 2: Convert to fraction form
    3,521.80/4,862.34 = 2,197.32/x
  3. Step 3: Cross multiply
    3,521.80x = 4,862.34 × 2,197.32
  4. Step 4: Simplify right side
    3,521.80x = 10,684,116.93
  5. Step 5: Solve for x
    x = 10,684,116.93/3,521.80
  6. Step 6: Final answer
    x = 3,033.71

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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.