Home / 4,243.20-5,856.60-2,829.12

Finding the Fourth Proportional to 4,243.20, 5,856.60 and 2,829.12

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Solution

The fourth proportional to 4,243.20, 5,856.60 and 2,829.12 is: 3,904.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.20 : 5,856.60 = 2,829.12 : x
  2. Step 2: Convert to fraction form
    4,243.20/5,856.60 = 2,829.12/x
  3. Step 3: Cross multiply
    4,243.20x = 5,856.60 × 2,829.12
  4. Step 4: Simplify right side
    4,243.20x = 16,569,024.19
  5. Step 5: Solve for x
    x = 16,569,024.19/4,243.20
  6. Step 6: Final answer
    x = 3,904.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.