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Finding the Fourth Proportional to 1,706.46, 2,560.50 and 884.58

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Solution

The fourth proportional to 1,706.46, 2,560.50 and 884.58 is: 1,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.46 : 2,560.50 = 884.58 : x
  2. Step 2: Convert to fraction form
    1,706.46/2,560.50 = 884.58/x
  3. Step 3: Cross multiply
    1,706.46x = 2,560.50 × 884.58
  4. Step 4: Simplify right side
    1,706.46x = 2,264,967.09
  5. Step 5: Solve for x
    x = 2,264,967.09/1,706.46
  6. Step 6: Final answer
    x = 1,327.29

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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.