Home / 2,768.13-4,152.80-1,036.75

Finding the Fourth Proportional to 2,768.13, 4,152.80 and 1,036.75

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Solution

The fourth proportional to 2,768.13, 4,152.80 and 1,036.75 is: 1,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.13 : 4,152.80 = 1,036.75 : x
  2. Step 2: Convert to fraction form
    2,768.13/4,152.80 = 1,036.75/x
  3. Step 3: Cross multiply
    2,768.13x = 4,152.80 × 1,036.75
  4. Step 4: Simplify right side
    2,768.13x = 4,305,415.40
  5. Step 5: Solve for x
    x = 4,305,415.40/2,768.13
  6. Step 6: Final answer
    x = 1,555.35

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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.