Home / 2,824.36-3,897.89-1,565.82

Finding the Fourth Proportional to 2,824.36, 3,897.89 and 1,565.82

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Solution

The fourth proportional to 2,824.36, 3,897.89 and 1,565.82 is: 2,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.36 : 3,897.89 = 1,565.82 : x
  2. Step 2: Convert to fraction form
    2,824.36/3,897.89 = 1,565.82/x
  3. Step 3: Cross multiply
    2,824.36x = 3,897.89 × 1,565.82
  4. Step 4: Simplify right side
    2,824.36x = 6,103,386.29
  5. Step 5: Solve for x
    x = 6,103,386.29/2,824.36
  6. Step 6: Final answer
    x = 2,160.98

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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.