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Finding the Fourth Proportional to 2,054.48, 3,082.40 and 884.80

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Solution

The fourth proportional to 2,054.48, 3,082.40 and 884.80 is: 1,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.48 : 3,082.40 = 884.80 : x
  2. Step 2: Convert to fraction form
    2,054.48/3,082.40 = 884.80/x
  3. Step 3: Cross multiply
    2,054.48x = 3,082.40 × 884.80
  4. Step 4: Simplify right side
    2,054.48x = 2,727,307.52
  5. Step 5: Solve for x
    x = 2,727,307.52/2,054.48
  6. Step 6: Final answer
    x = 1,327.49

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1.5x scale

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.