Home / 2,153.30-3,229.26-1,113.18

Finding the Fourth Proportional to 2,153.30, 3,229.26 and 1,113.18

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Solution

The fourth proportional to 2,153.30, 3,229.26 and 1,113.18 is: 1,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.30 : 3,229.26 = 1,113.18 : x
  2. Step 2: Convert to fraction form
    2,153.30/3,229.26 = 1,113.18/x
  3. Step 3: Cross multiply
    2,153.30x = 3,229.26 × 1,113.18
  4. Step 4: Simplify right side
    2,153.30x = 3,594,747.65
  5. Step 5: Solve for x
    x = 3,594,747.65/2,153.30
  6. Step 6: Final answer
    x = 1,669.41

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Double scale
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Similar ratio
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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.