Home / 2,006.85-2,769.48-1,122.93

Finding the Fourth Proportional to 2,006.85, 2,769.48 and 1,122.93

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Solution

The fourth proportional to 2,006.85, 2,769.48 and 1,122.93 is: 1,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.85 : 2,769.48 = 1,122.93 : x
  2. Step 2: Convert to fraction form
    2,006.85/2,769.48 = 1,122.93/x
  3. Step 3: Cross multiply
    2,006.85x = 2,769.48 × 1,122.93
  4. Step 4: Simplify right side
    2,006.85x = 3,109,932.18
  5. Step 5: Solve for x
    x = 3,109,932.18/2,006.85
  6. Step 6: Final answer
    x = 1,549.66

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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.