Home / 2,200.39-3,036.45-1,316.68

Finding the Fourth Proportional to 2,200.39, 3,036.45 and 1,316.68

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Solution

The fourth proportional to 2,200.39, 3,036.45 and 1,316.68 is: 1,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.39 : 3,036.45 = 1,316.68 : x
  2. Step 2: Convert to fraction form
    2,200.39/3,036.45 = 1,316.68/x
  3. Step 3: Cross multiply
    2,200.39x = 3,036.45 × 1,316.68
  4. Step 4: Simplify right side
    2,200.39x = 3,998,033.32
  5. Step 5: Solve for x
    x = 3,998,033.32/2,200.39
  6. Step 6: Final answer
    x = 1,816.97

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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.