Home / 2,013.64-2,778.72-1,267.36

Finding the Fourth Proportional to 2,013.64, 2,778.72 and 1,267.36

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Solution

The fourth proportional to 2,013.64, 2,778.72 and 1,267.36 is: 1,748.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.64 : 2,778.72 = 1,267.36 : x
  2. Step 2: Convert to fraction form
    2,013.64/2,778.72 = 1,267.36/x
  3. Step 3: Cross multiply
    2,013.64x = 2,778.72 × 1,267.36
  4. Step 4: Simplify right side
    2,013.64x = 3,521,638.58
  5. Step 5: Solve for x
    x = 3,521,638.58/2,013.64
  6. Step 6: Final answer
    x = 1,748.89

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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.