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Finding the Fourth Proportional to 1,444.29, 1,992.60 and 884.40

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Solution

The fourth proportional to 1,444.29, 1,992.60 and 884.40 is: 1,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.29 : 1,992.60 = 884.40 : x
  2. Step 2: Convert to fraction form
    1,444.29/1,992.60 = 884.40/x
  3. Step 3: Cross multiply
    1,444.29x = 1,992.60 × 884.40
  4. Step 4: Simplify right side
    1,444.29x = 1,762,255.44
  5. Step 5: Solve for x
    x = 1,762,255.44/1,444.29
  6. Step 6: Final answer
    x = 1,220.15

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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.