Home / 1,902.12-2,624.94-1,116.18

Finding the Fourth Proportional to 1,902.12, 2,624.94 and 1,116.18

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Solution

The fourth proportional to 1,902.12, 2,624.94 and 1,116.18 is: 1,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.12 : 2,624.94 = 1,116.18 : x
  2. Step 2: Convert to fraction form
    1,902.12/2,624.94 = 1,116.18/x
  3. Step 3: Cross multiply
    1,902.12x = 2,624.94 × 1,116.18
  4. Step 4: Simplify right side
    1,902.12x = 2,929,905.53
  5. Step 5: Solve for x
    x = 2,929,905.53/1,902.12
  6. Step 6: Final answer
    x = 1,540.34

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Half scale
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Double scale
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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.