Home / 1,763.20-2,644.80-1,113.04

Finding the Fourth Proportional to 1,763.20, 2,644.80 and 1,113.04

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Solution

The fourth proportional to 1,763.20, 2,644.80 and 1,113.04 is: 1,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.20 : 2,644.80 = 1,113.04 : x
  2. Step 2: Convert to fraction form
    1,763.20/2,644.80 = 1,113.04/x
  3. Step 3: Cross multiply
    1,763.20x = 2,644.80 × 1,113.04
  4. Step 4: Simplify right side
    1,763.20x = 2,943,768.19
  5. Step 5: Solve for x
    x = 2,943,768.19/1,763.20
  6. Step 6: Final answer
    x = 1,669.56

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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.