Home / 2,827.76-3,900.96-1,648.13

Finding the Fourth Proportional to 2,827.76, 3,900.96 and 1,648.13

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Solution

The fourth proportional to 2,827.76, 3,900.96 and 1,648.13 is: 2,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.76 : 3,900.96 = 1,648.13 : x
  2. Step 2: Convert to fraction form
    2,827.76/3,900.96 = 1,648.13/x
  3. Step 3: Cross multiply
    2,827.76x = 3,900.96 × 1,648.13
  4. Step 4: Simplify right side
    2,827.76x = 6,429,269.70
  5. Step 5: Solve for x
    x = 6,429,269.70/2,827.76
  6. Step 6: Final answer
    x = 2,273.63

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1.5x scale

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.