Home / 2,349.60-3,514.68-2,135.76

Finding the Fourth Proportional to 2,349.60, 3,514.68 and 2,135.76

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Solution

The fourth proportional to 2,349.60, 3,514.68 and 2,135.76 is: 3,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.60 : 3,514.68 = 2,135.76 : x
  2. Step 2: Convert to fraction form
    2,349.60/3,514.68 = 2,135.76/x
  3. Step 3: Cross multiply
    2,349.60x = 3,514.68 × 2,135.76
  4. Step 4: Simplify right side
    2,349.60x = 7,506,512.96
  5. Step 5: Solve for x
    x = 7,506,512.96/2,349.60
  6. Step 6: Final answer
    x = 3,194.80

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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.