Home / 2,342.28-3,513.36-882.12

Finding the Fourth Proportional to 2,342.28, 3,513.36 and 882.12

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Solution

The fourth proportional to 2,342.28, 3,513.36 and 882.12 is: 1,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.28 : 3,513.36 = 882.12 : x
  2. Step 2: Convert to fraction form
    2,342.28/3,513.36 = 882.12/x
  3. Step 3: Cross multiply
    2,342.28x = 3,513.36 × 882.12
  4. Step 4: Simplify right side
    2,342.28x = 3,099,205.12
  5. Step 5: Solve for x
    x = 3,099,205.12/2,342.28
  6. Step 6: Final answer
    x = 1,323.16

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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.