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Finding the Fourth Proportional to 1,734.40, 2,601.06 and 868.24

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Solution

The fourth proportional to 1,734.40, 2,601.06 and 868.24 is: 1,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.40 : 2,601.06 = 868.24 : x
  2. Step 2: Convert to fraction form
    1,734.40/2,601.06 = 868.24/x
  3. Step 3: Cross multiply
    1,734.40x = 2,601.06 × 868.24
  4. Step 4: Simplify right side
    1,734.40x = 2,258,344.33
  5. Step 5: Solve for x
    x = 2,258,344.33/1,734.40
  6. Step 6: Final answer
    x = 1,302.09

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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.