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Finding the Fourth Proportional to 3,080.51, 4,251.14 and 1,754.22

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Solution

The fourth proportional to 3,080.51, 4,251.14 and 1,754.22 is: 2,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.51 : 4,251.14 = 1,754.22 : x
  2. Step 2: Convert to fraction form
    3,080.51/4,251.14 = 1,754.22/x
  3. Step 3: Cross multiply
    3,080.51x = 4,251.14 × 1,754.22
  4. Step 4: Simplify right side
    3,080.51x = 7,457,442.49
  5. Step 5: Solve for x
    x = 7,457,442.49/3,080.51
  6. Step 6: Final answer
    x = 2,420.85

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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.