Home / 2,824.20-3,897.67-1,565.66

Finding the Fourth Proportional to 2,824.20, 3,897.67 and 1,565.66

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Solution

The fourth proportional to 2,824.20, 3,897.67 and 1,565.66 is: 2,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.20 : 3,897.67 = 1,565.66 : x
  2. Step 2: Convert to fraction form
    2,824.20/3,897.67 = 1,565.66/x
  3. Step 3: Cross multiply
    2,824.20x = 3,897.67 × 1,565.66
  4. Step 4: Simplify right side
    2,824.20x = 6,102,434.78
  5. Step 5: Solve for x
    x = 6,102,434.78/2,824.20
  6. Step 6: Final answer
    x = 2,160.77

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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.