Home / 2,869.54-3,961.29-1,874.86

Finding the Fourth Proportional to 2,869.54, 3,961.29 and 1,874.86

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Solution

The fourth proportional to 2,869.54, 3,961.29 and 1,874.86 is: 2,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.54 : 3,961.29 = 1,874.86 : x
  2. Step 2: Convert to fraction form
    2,869.54/3,961.29 = 1,874.86/x
  3. Step 3: Cross multiply
    2,869.54x = 3,961.29 × 1,874.86
  4. Step 4: Simplify right side
    2,869.54x = 7,426,864.17
  5. Step 5: Solve for x
    x = 7,426,864.17/2,869.54
  6. Step 6: Final answer
    x = 2,588.17

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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.