Home / 2,456.90-3,385.77-2,037.86

Finding the Fourth Proportional to 2,456.90, 3,385.77 and 2,037.86

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Solution

The fourth proportional to 2,456.90, 3,385.77 and 2,037.86 is: 2,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.90 : 3,385.77 = 2,037.86 : x
  2. Step 2: Convert to fraction form
    2,456.90/3,385.77 = 2,037.86/x
  3. Step 3: Cross multiply
    2,456.90x = 3,385.77 × 2,037.86
  4. Step 4: Simplify right side
    2,456.90x = 6,899,725.25
  5. Step 5: Solve for x
    x = 6,899,725.25/2,456.90
  6. Step 6: Final answer
    x = 2,808.31

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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.