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Finding the Fourth Proportional to 1,751.44, 2,627.32 and 885.52

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Solution

The fourth proportional to 1,751.44, 2,627.32 and 885.52 is: 1,328.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.44 : 2,627.32 = 885.52 : x
  2. Step 2: Convert to fraction form
    1,751.44/2,627.32 = 885.52/x
  3. Step 3: Cross multiply
    1,751.44x = 2,627.32 × 885.52
  4. Step 4: Simplify right side
    1,751.44x = 2,326,544.41
  5. Step 5: Solve for x
    x = 2,326,544.41/1,751.44
  6. Step 6: Final answer
    x = 1,328.36

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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.