Home / 2,850.04-4,275.54-1,311

Finding the Fourth Proportional to 2,850.04, 4,275.54 and 1,311

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Solution

The fourth proportional to 2,850.04, 4,275.54 and 1,311 is: 1,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.04 : 4,275.54 = 1,311 : x
  2. Step 2: Convert to fraction form
    2,850.04/4,275.54 = 1,311/x
  3. Step 3: Cross multiply
    2,850.04x = 4,275.54 × 1,311
  4. Step 4: Simplify right side
    2,850.04x = 5,605,232.94
  5. Step 5: Solve for x
    x = 5,605,232.94/2,850.04
  6. Step 6: Final answer
    x = 1,966.72

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Half scale
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Double scale
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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.