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Finding the Fourth Proportional to 3,239.19, 4,858.31 and 898.95

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Solution

The fourth proportional to 3,239.19, 4,858.31 and 898.95 is: 1,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.19 : 4,858.31 = 898.95 : x
  2. Step 2: Convert to fraction form
    3,239.19/4,858.31 = 898.95/x
  3. Step 3: Cross multiply
    3,239.19x = 4,858.31 × 898.95
  4. Step 4: Simplify right side
    3,239.19x = 4,367,373.28
  5. Step 5: Solve for x
    x = 4,367,373.28/3,239.19
  6. Step 6: Final answer
    x = 1,348.29

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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.