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Finding the Fourth Proportional to 2,737.70, 4,106.55 and 889.00

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Solution

The fourth proportional to 2,737.70, 4,106.55 and 889.00 is: 1,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.70 : 4,106.55 = 889.00 : x
  2. Step 2: Convert to fraction form
    2,737.70/4,106.55 = 889.00/x
  3. Step 3: Cross multiply
    2,737.70x = 4,106.55 × 889.00
  4. Step 4: Simplify right side
    2,737.70x = 3,650,722.57
  5. Step 5: Solve for x
    x = 3,650,722.57/2,737.70
  6. Step 6: Final answer
    x = 1,333.50

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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.