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Finding the Fourth Proportional to 2,348.16, 3,522.46 and 887.34

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Solution

The fourth proportional to 2,348.16, 3,522.46 and 887.34 is: 1,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.16 : 3,522.46 = 887.34 : x
  2. Step 2: Convert to fraction form
    2,348.16/3,522.46 = 887.34/x
  3. Step 3: Cross multiply
    2,348.16x = 3,522.46 × 887.34
  4. Step 4: Simplify right side
    2,348.16x = 3,125,619.66
  5. Step 5: Solve for x
    x = 3,125,619.66/2,348.16
  6. Step 6: Final answer
    x = 1,331.09

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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.