Home / 1,233.14-1,848.16-1,220.12

Finding the Fourth Proportional to 1,233.14, 1,848.16 and 1,220.12

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Solution

The fourth proportional to 1,233.14, 1,848.16 and 1,220.12 is: 1,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.14 : 1,848.16 = 1,220.12 : x
  2. Step 2: Convert to fraction form
    1,233.14/1,848.16 = 1,220.12/x
  3. Step 3: Cross multiply
    1,233.14x = 1,848.16 × 1,220.12
  4. Step 4: Simplify right side
    1,233.14x = 2,254,976.98
  5. Step 5: Solve for x
    x = 2,254,976.98/1,233.14
  6. Step 6: Final answer
    x = 1,828.65

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Double scale
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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.