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Finding the Fourth Proportional to 2,575.48, 3,863.20 and 627.67

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Solution

The fourth proportional to 2,575.48, 3,863.20 and 627.67 is: 941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.48 : 3,863.20 = 627.67 : x
  2. Step 2: Convert to fraction form
    2,575.48/3,863.20 = 627.67/x
  3. Step 3: Cross multiply
    2,575.48x = 3,863.20 × 627.67
  4. Step 4: Simplify right side
    2,575.48x = 2,424,814.74
  5. Step 5: Solve for x
    x = 2,424,814.74/2,575.48
  6. Step 6: Final answer
    x = 941.50

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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.