Home / 2,007.10-2,769.68-1,122.92

Finding the Fourth Proportional to 2,007.10, 2,769.68 and 1,122.92

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Solution

The fourth proportional to 2,007.10, 2,769.68 and 1,122.92 is: 1,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.10 : 2,769.68 = 1,122.92 : x
  2. Step 2: Convert to fraction form
    2,007.10/2,769.68 = 1,122.92/x
  3. Step 3: Cross multiply
    2,007.10x = 2,769.68 × 1,122.92
  4. Step 4: Simplify right side
    2,007.10x = 3,110,129.07
  5. Step 5: Solve for x
    x = 3,110,129.07/2,007.10
  6. Step 6: Final answer
    x = 1,549.56

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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.