Home / 2,845.40-4,247.77-2,407.88

Finding the Fourth Proportional to 2,845.40, 4,247.77 and 2,407.88

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Solution

The fourth proportional to 2,845.40, 4,247.77 and 2,407.88 is: 3,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.40 : 4,247.77 = 2,407.88 : x
  2. Step 2: Convert to fraction form
    2,845.40/4,247.77 = 2,407.88/x
  3. Step 3: Cross multiply
    2,845.40x = 4,247.77 × 2,407.88
  4. Step 4: Simplify right side
    2,845.40x = 10,228,120.43
  5. Step 5: Solve for x
    x = 10,228,120.43/2,845.40
  6. Step 6: Final answer
    x = 3,594.62

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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.