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Finding the Fourth Proportional to 2,586.88, 3,880.05 and 737.88

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Solution

The fourth proportional to 2,586.88, 3,880.05 and 737.88 is: 1,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.88 : 3,880.05 = 737.88 : x
  2. Step 2: Convert to fraction form
    2,586.88/3,880.05 = 737.88/x
  3. Step 3: Cross multiply
    2,586.88x = 3,880.05 × 737.88
  4. Step 4: Simplify right side
    2,586.88x = 2,863,011.29
  5. Step 5: Solve for x
    x = 2,863,011.29/2,586.88
  6. Step 6: Final answer
    x = 1,106.74

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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.