Home / 2,195.40-3,025.50-1,565.94

Finding the Fourth Proportional to 2,195.40, 3,025.50 and 1,565.94

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Solution

The fourth proportional to 2,195.40, 3,025.50 and 1,565.94 is: 2,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.40 : 3,025.50 = 1,565.94 : x
  2. Step 2: Convert to fraction form
    2,195.40/3,025.50 = 1,565.94/x
  3. Step 3: Cross multiply
    2,195.40x = 3,025.50 × 1,565.94
  4. Step 4: Simplify right side
    2,195.40x = 4,737,751.47
  5. Step 5: Solve for x
    x = 4,737,751.47/2,195.40
  6. Step 6: Final answer
    x = 2,158.04

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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.