Home / 2,905.62-4,340.76-1,857.24

Finding the Fourth Proportional to 2,905.62, 4,340.76 and 1,857.24

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Solution

The fourth proportional to 2,905.62, 4,340.76 and 1,857.24 is: 2,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.62 : 4,340.76 = 1,857.24 : x
  2. Step 2: Convert to fraction form
    2,905.62/4,340.76 = 1,857.24/x
  3. Step 3: Cross multiply
    2,905.62x = 4,340.76 × 1,857.24
  4. Step 4: Simplify right side
    2,905.62x = 8,061,833.10
  5. Step 5: Solve for x
    x = 8,061,833.10/2,905.62
  6. Step 6: Final answer
    x = 2,774.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.