Home / 3,357.28-5,040.60-1,715.16

Finding the Fourth Proportional to 3,357.28, 5,040.60 and 1,715.16

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Solution

The fourth proportional to 3,357.28, 5,040.60 and 1,715.16 is: 2,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.28 : 5,040.60 = 1,715.16 : x
  2. Step 2: Convert to fraction form
    3,357.28/5,040.60 = 1,715.16/x
  3. Step 3: Cross multiply
    3,357.28x = 5,040.60 × 1,715.16
  4. Step 4: Simplify right side
    3,357.28x = 8,645,435.50
  5. Step 5: Solve for x
    x = 8,645,435.50/3,357.28
  6. Step 6: Final answer
    x = 2,575.13

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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.