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Finding the Fourth Proportional to 2,754.82, 3,802.58 and 1,577.08

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Solution

The fourth proportional to 2,754.82, 3,802.58 and 1,577.08 is: 2,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.82 : 3,802.58 = 1,577.08 : x
  2. Step 2: Convert to fraction form
    2,754.82/3,802.58 = 1,577.08/x
  3. Step 3: Cross multiply
    2,754.82x = 3,802.58 × 1,577.08
  4. Step 4: Simplify right side
    2,754.82x = 5,996,972.87
  5. Step 5: Solve for x
    x = 5,996,972.87/2,754.82
  6. Step 6: Final answer
    x = 2,176.90

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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.