Home / 2,586.44-3,880.18-738.12

Finding the Fourth Proportional to 2,586.44, 3,880.18 and 738.12

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Solution

The fourth proportional to 2,586.44, 3,880.18 and 738.12 is: 1,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.44 : 3,880.18 = 738.12 : x
  2. Step 2: Convert to fraction form
    2,586.44/3,880.18 = 738.12/x
  3. Step 3: Cross multiply
    2,586.44x = 3,880.18 × 738.12
  4. Step 4: Simplify right side
    2,586.44x = 2,864,038.46
  5. Step 5: Solve for x
    x = 2,864,038.46/2,586.44
  6. Step 6: Final answer
    x = 1,107.33

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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.