Home / 3,240.38-4,866.76-2,699.12

Finding the Fourth Proportional to 3,240.38, 4,866.76 and 2,699.12

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Solution

The fourth proportional to 3,240.38, 4,866.76 and 2,699.12 is: 4,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.38 : 4,866.76 = 2,699.12 : x
  2. Step 2: Convert to fraction form
    3,240.38/4,866.76 = 2,699.12/x
  3. Step 3: Cross multiply
    3,240.38x = 4,866.76 × 2,699.12
  4. Step 4: Simplify right side
    3,240.38x = 13,135,969.25
  5. Step 5: Solve for x
    x = 13,135,969.25/3,240.38
  6. Step 6: Final answer
    x = 4,053.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.