Home / 2,769.30-4,155.30-1,470.75

Finding the Fourth Proportional to 2,769.30, 4,155.30 and 1,470.75

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Solution

The fourth proportional to 2,769.30, 4,155.30 and 1,470.75 is: 2,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.30 : 4,155.30 = 1,470.75 : x
  2. Step 2: Convert to fraction form
    2,769.30/4,155.30 = 1,470.75/x
  3. Step 3: Cross multiply
    2,769.30x = 4,155.30 × 1,470.75
  4. Step 4: Simplify right side
    2,769.30x = 6,111,407.48
  5. Step 5: Solve for x
    x = 6,111,407.48/2,769.30
  6. Step 6: Final answer
    x = 2,206.84

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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.