Home / 2,277.93-3,143.28-1,283.19

Finding the Fourth Proportional to 2,277.93, 3,143.28 and 1,283.19

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Solution

The fourth proportional to 2,277.93, 3,143.28 and 1,283.19 is: 1,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.93 : 3,143.28 = 1,283.19 : x
  2. Step 2: Convert to fraction form
    2,277.93/3,143.28 = 1,283.19/x
  3. Step 3: Cross multiply
    2,277.93x = 3,143.28 × 1,283.19
  4. Step 4: Simplify right side
    2,277.93x = 4,033,425.46
  5. Step 5: Solve for x
    x = 4,033,425.46/2,277.93
  6. Step 6: Final answer
    x = 1,770.65

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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.