Home / 4,095.28-5,649.68-2,768.50

Finding the Fourth Proportional to 4,095.28, 5,649.68 and 2,768.50

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Solution

The fourth proportional to 4,095.28, 5,649.68 and 2,768.50 is: 3,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.28 : 5,649.68 = 2,768.50 : x
  2. Step 2: Convert to fraction form
    4,095.28/5,649.68 = 2,768.50/x
  3. Step 3: Cross multiply
    4,095.28x = 5,649.68 × 2,768.50
  4. Step 4: Simplify right side
    4,095.28x = 15,641,139.08
  5. Step 5: Solve for x
    x = 15,641,139.08/4,095.28
  6. Step 6: Final answer
    x = 3,819.31

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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.