Home / 3,648.32-5,035.08-2,076.80

Finding the Fourth Proportional to 3,648.32, 5,035.08 and 2,076.80

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Solution

The fourth proportional to 3,648.32, 5,035.08 and 2,076.80 is: 2,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.32 : 5,035.08 = 2,076.80 : x
  2. Step 2: Convert to fraction form
    3,648.32/5,035.08 = 2,076.80/x
  3. Step 3: Cross multiply
    3,648.32x = 5,035.08 × 2,076.80
  4. Step 4: Simplify right side
    3,648.32x = 10,456,854.14
  5. Step 5: Solve for x
    x = 10,456,854.14/3,648.32
  6. Step 6: Final answer
    x = 2,866.21

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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.