Home / 2,223.08-3,068.08-1,278.91

Finding the Fourth Proportional to 2,223.08, 3,068.08 and 1,278.91

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Solution

The fourth proportional to 2,223.08, 3,068.08 and 1,278.91 is: 1,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.08 : 3,068.08 = 1,278.91 : x
  2. Step 2: Convert to fraction form
    2,223.08/3,068.08 = 1,278.91/x
  3. Step 3: Cross multiply
    2,223.08x = 3,068.08 × 1,278.91
  4. Step 4: Simplify right side
    2,223.08x = 3,923,798.83
  5. Step 5: Solve for x
    x = 3,923,798.83/2,223.08
  6. Step 6: Final answer
    x = 1,765.03

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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.