Home / 2,278.35-3,142.04-1,492.83

Finding the Fourth Proportional to 2,278.35, 3,142.04 and 1,492.83

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Solution

The fourth proportional to 2,278.35, 3,142.04 and 1,492.83 is: 2,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.35 : 3,142.04 = 1,492.83 : x
  2. Step 2: Convert to fraction form
    2,278.35/3,142.04 = 1,492.83/x
  3. Step 3: Cross multiply
    2,278.35x = 3,142.04 × 1,492.83
  4. Step 4: Simplify right side
    2,278.35x = 4,690,524.11
  5. Step 5: Solve for x
    x = 4,690,524.11/2,278.35
  6. Step 6: Final answer
    x = 2,058.74

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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.