Home / 3,800.15-5,237.93-2,540.75

Finding the Fourth Proportional to 3,800.15, 5,237.93 and 2,540.75

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Solution

The fourth proportional to 3,800.15, 5,237.93 and 2,540.75 is: 3,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.15 : 5,237.93 = 2,540.75 : x
  2. Step 2: Convert to fraction form
    3,800.15/5,237.93 = 2,540.75/x
  3. Step 3: Cross multiply
    3,800.15x = 5,237.93 × 2,540.75
  4. Step 4: Simplify right side
    3,800.15x = 13,308,280.27
  5. Step 5: Solve for x
    x = 13,308,280.27/3,800.15
  6. Step 6: Final answer
    x = 3,502.04

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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.