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Finding the Fourth Proportional to 2,027.42, 2,799.03 and 1,330.01

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Solution

The fourth proportional to 2,027.42, 2,799.03 and 1,330.01 is: 1,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.42 : 2,799.03 = 1,330.01 : x
  2. Step 2: Convert to fraction form
    2,027.42/2,799.03 = 1,330.01/x
  3. Step 3: Cross multiply
    2,027.42x = 2,799.03 × 1,330.01
  4. Step 4: Simplify right side
    2,027.42x = 3,722,737.89
  5. Step 5: Solve for x
    x = 3,722,737.89/2,027.42
  6. Step 6: Final answer
    x = 1,836.19

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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.