Home / 2,829.33-4,235.76-2,102.13

Finding the Fourth Proportional to 2,829.33, 4,235.76 and 2,102.13

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Solution

The fourth proportional to 2,829.33, 4,235.76 and 2,102.13 is: 3,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.33 : 4,235.76 = 2,102.13 : x
  2. Step 2: Convert to fraction form
    2,829.33/4,235.76 = 2,102.13/x
  3. Step 3: Cross multiply
    2,829.33x = 4,235.76 × 2,102.13
  4. Step 4: Simplify right side
    2,829.33x = 8,904,118.17
  5. Step 5: Solve for x
    x = 8,904,118.17/2,829.33
  6. Step 6: Final answer
    x = 3,147.08

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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.