Home / 2,445.30-3,670.65-2,286.68

Finding the Fourth Proportional to 2,445.30, 3,670.65 and 2,286.68

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Solution

The fourth proportional to 2,445.30, 3,670.65 and 2,286.68 is: 3,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.30 : 3,670.65 = 2,286.68 : x
  2. Step 2: Convert to fraction form
    2,445.30/3,670.65 = 2,286.68/x
  3. Step 3: Cross multiply
    2,445.30x = 3,670.65 × 2,286.68
  4. Step 4: Simplify right side
    2,445.30x = 8,393,583.59
  5. Step 5: Solve for x
    x = 8,393,583.59/2,445.30
  6. Step 6: Final answer
    x = 3,432.54

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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.