Home / 3,788.95-5,231.08-2,445.74

Finding the Fourth Proportional to 3,788.95, 5,231.08 and 2,445.74

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Solution

The fourth proportional to 3,788.95, 5,231.08 and 2,445.74 is: 3,376.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.95 : 5,231.08 = 2,445.74 : x
  2. Step 2: Convert to fraction form
    3,788.95/5,231.08 = 2,445.74/x
  3. Step 3: Cross multiply
    3,788.95x = 5,231.08 × 2,445.74
  4. Step 4: Simplify right side
    3,788.95x = 12,793,835.44
  5. Step 5: Solve for x
    x = 12,793,835.44/3,788.95
  6. Step 6: Final answer
    x = 3,376.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.