Home / 2,492.12-3,734.93-1,258.86

Finding the Fourth Proportional to 2,492.12, 3,734.93 and 1,258.86

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Solution

The fourth proportional to 2,492.12, 3,734.93 and 1,258.86 is: 1,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.12 : 3,734.93 = 1,258.86 : x
  2. Step 2: Convert to fraction form
    2,492.12/3,734.93 = 1,258.86/x
  3. Step 3: Cross multiply
    2,492.12x = 3,734.93 × 1,258.86
  4. Step 4: Simplify right side
    2,492.12x = 4,701,743.04
  5. Step 5: Solve for x
    x = 4,701,743.04/2,492.12
  6. Step 6: Final answer
    x = 1,886.65

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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.