Home / 2,514.12-3,470.40-1,728.60

Finding the Fourth Proportional to 2,514.12, 3,470.40 and 1,728.60

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Solution

The fourth proportional to 2,514.12, 3,470.40 and 1,728.60 is: 2,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.12 : 3,470.40 = 1,728.60 : x
  2. Step 2: Convert to fraction form
    2,514.12/3,470.40 = 1,728.60/x
  3. Step 3: Cross multiply
    2,514.12x = 3,470.40 × 1,728.60
  4. Step 4: Simplify right side
    2,514.12x = 5,998,933.44
  5. Step 5: Solve for x
    x = 5,998,933.44/2,514.12
  6. Step 6: Final answer
    x = 2,386.10

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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.