Home / 2,277.57-3,143.05-1,333.19

Finding the Fourth Proportional to 2,277.57, 3,143.05 and 1,333.19

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Solution

The fourth proportional to 2,277.57, 3,143.05 and 1,333.19 is: 1,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.57 : 3,143.05 = 1,333.19 : x
  2. Step 2: Convert to fraction form
    2,277.57/3,143.05 = 1,333.19/x
  3. Step 3: Cross multiply
    2,277.57x = 3,143.05 × 1,333.19
  4. Step 4: Simplify right side
    2,277.57x = 4,190,286.16
  5. Step 5: Solve for x
    x = 4,190,286.16/2,277.57
  6. Step 6: Final answer
    x = 1,839.81

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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.