Home / 3,036.14-4,188.80-2,328.20

Finding the Fourth Proportional to 3,036.14, 4,188.80 and 2,328.20

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Solution

The fourth proportional to 3,036.14, 4,188.80 and 2,328.20 is: 3,212.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.14 : 4,188.80 = 2,328.20 : x
  2. Step 2: Convert to fraction form
    3,036.14/4,188.80 = 2,328.20/x
  3. Step 3: Cross multiply
    3,036.14x = 4,188.80 × 2,328.20
  4. Step 4: Simplify right side
    3,036.14x = 9,752,331.58
  5. Step 5: Solve for x
    x = 9,752,331.58/3,036.14
  6. Step 6: Final answer
    x = 3,212.09

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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.