Home / 3,648.75-5,035.49-2,076.85

Finding the Fourth Proportional to 3,648.75, 5,035.49 and 2,076.85

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Solution

The fourth proportional to 3,648.75, 5,035.49 and 2,076.85 is: 2,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.75 : 5,035.49 = 2,076.85 : x
  2. Step 2: Convert to fraction form
    3,648.75/5,035.49 = 2,076.85/x
  3. Step 3: Cross multiply
    3,648.75x = 5,035.49 × 2,076.85
  4. Step 4: Simplify right side
    3,648.75x = 10,457,957.41
  5. Step 5: Solve for x
    x = 10,457,957.41/3,648.75
  6. Step 6: Final answer
    x = 2,866.18

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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.