Home / 3,600.19-5,391.09-2,870.83

Finding the Fourth Proportional to 3,600.19, 5,391.09 and 2,870.83

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Solution

The fourth proportional to 3,600.19, 5,391.09 and 2,870.83 is: 4,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.19 : 5,391.09 = 2,870.83 : x
  2. Step 2: Convert to fraction form
    3,600.19/5,391.09 = 2,870.83/x
  3. Step 3: Cross multiply
    3,600.19x = 5,391.09 × 2,870.83
  4. Step 4: Simplify right side
    3,600.19x = 15,476,902.90
  5. Step 5: Solve for x
    x = 15,476,902.90/3,600.19
  6. Step 6: Final answer
    x = 4,298.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.