Home / 2,006.60-3,006.93-1,129.52

Finding the Fourth Proportional to 2,006.60, 3,006.93 and 1,129.52

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Solution

The fourth proportional to 2,006.60, 3,006.93 and 1,129.52 is: 1,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.60 : 3,006.93 = 1,129.52 : x
  2. Step 2: Convert to fraction form
    2,006.60/3,006.93 = 1,129.52/x
  3. Step 3: Cross multiply
    2,006.60x = 3,006.93 × 1,129.52
  4. Step 4: Simplify right side
    2,006.60x = 3,396,387.57
  5. Step 5: Solve for x
    x = 3,396,387.57/2,006.60
  6. Step 6: Final answer
    x = 1,692.61

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1.5x scale

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.