Home / 2,514.60-3,469.94-1,395.48

Finding the Fourth Proportional to 2,514.60, 3,469.94 and 1,395.48

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Solution

The fourth proportional to 2,514.60, 3,469.94 and 1,395.48 is: 1,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.60 : 3,469.94 = 1,395.48 : x
  2. Step 2: Convert to fraction form
    2,514.60/3,469.94 = 1,395.48/x
  3. Step 3: Cross multiply
    2,514.60x = 3,469.94 × 1,395.48
  4. Step 4: Simplify right side
    2,514.60x = 4,842,231.87
  5. Step 5: Solve for x
    x = 4,842,231.87/2,514.60
  6. Step 6: Final answer
    x = 1,925.65

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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.