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Finding the Fourth Proportional to 2,964.40, 4,445.56 and 883.84

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Solution

The fourth proportional to 2,964.40, 4,445.56 and 883.84 is: 1,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.40 : 4,445.56 = 883.84 : x
  2. Step 2: Convert to fraction form
    2,964.40/4,445.56 = 883.84/x
  3. Step 3: Cross multiply
    2,964.40x = 4,445.56 × 883.84
  4. Step 4: Simplify right side
    2,964.40x = 3,929,163.75
  5. Step 5: Solve for x
    x = 3,929,163.75/2,964.40
  6. Step 6: Final answer
    x = 1,325.45

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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.