Home / 3,036.80-4,555.20-1,943.30

Finding the Fourth Proportional to 3,036.80, 4,555.20 and 1,943.30

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Solution

The fourth proportional to 3,036.80, 4,555.20 and 1,943.30 is: 2,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.80 : 4,555.20 = 1,943.30 : x
  2. Step 2: Convert to fraction form
    3,036.80/4,555.20 = 1,943.30/x
  3. Step 3: Cross multiply
    3,036.80x = 4,555.20 × 1,943.30
  4. Step 4: Simplify right side
    3,036.80x = 8,852,120.16
  5. Step 5: Solve for x
    x = 8,852,120.16/3,036.80
  6. Step 6: Final answer
    x = 2,914.95

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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.