Home / 2,767.80-4,151.70-1,036.56

Finding the Fourth Proportional to 2,767.80, 4,151.70 and 1,036.56

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Solution

The fourth proportional to 2,767.80, 4,151.70 and 1,036.56 is: 1,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.80 : 4,151.70 = 1,036.56 : x
  2. Step 2: Convert to fraction form
    2,767.80/4,151.70 = 1,036.56/x
  3. Step 3: Cross multiply
    2,767.80x = 4,151.70 × 1,036.56
  4. Step 4: Simplify right side
    2,767.80x = 4,303,486.15
  5. Step 5: Solve for x
    x = 4,303,486.15/2,767.80
  6. Step 6: Final answer
    x = 1,554.84

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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.