Home / 2,824.13-3,897.11-1,565.07

Finding the Fourth Proportional to 2,824.13, 3,897.11 and 1,565.07

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Solution

The fourth proportional to 2,824.13, 3,897.11 and 1,565.07 is: 2,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.13 : 3,897.11 = 1,565.07 : x
  2. Step 2: Convert to fraction form
    2,824.13/3,897.11 = 1,565.07/x
  3. Step 3: Cross multiply
    2,824.13x = 3,897.11 × 1,565.07
  4. Step 4: Simplify right side
    2,824.13x = 6,099,253.86
  5. Step 5: Solve for x
    x = 6,099,253.86/2,824.13
  6. Step 6: Final answer
    x = 2,159.69

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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.