Home / 3,391.32-5,088.40-1,829.47

Finding the Fourth Proportional to 3,391.32, 5,088.40 and 1,829.47

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Solution

The fourth proportional to 3,391.32, 5,088.40 and 1,829.47 is: 2,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.32 : 5,088.40 = 1,829.47 : x
  2. Step 2: Convert to fraction form
    3,391.32/5,088.40 = 1,829.47/x
  3. Step 3: Cross multiply
    3,391.32x = 5,088.40 × 1,829.47
  4. Step 4: Simplify right side
    3,391.32x = 9,309,075.15
  5. Step 5: Solve for x
    x = 9,309,075.15/3,391.32
  6. Step 6: Final answer
    x = 2,744.97

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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.