Home / 2,678.60-4,016.82-1,035.20

Finding the Fourth Proportional to 2,678.60, 4,016.82 and 1,035.20

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Solution

The fourth proportional to 2,678.60, 4,016.82 and 1,035.20 is: 1,552.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.60 : 4,016.82 = 1,035.20 : x
  2. Step 2: Convert to fraction form
    2,678.60/4,016.82 = 1,035.20/x
  3. Step 3: Cross multiply
    2,678.60x = 4,016.82 × 1,035.20
  4. Step 4: Simplify right side
    2,678.60x = 4,158,212.06
  5. Step 5: Solve for x
    x = 4,158,212.06/2,678.60
  6. Step 6: Final answer
    x = 1,552.38

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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.