Home / 2,001.24-2,763.72-1,755

Finding the Fourth Proportional to 2,001.24, 2,763.72 and 1,755

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Solution

The fourth proportional to 2,001.24, 2,763.72 and 1,755 is: 2,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.24 : 2,763.72 = 1,755 : x
  2. Step 2: Convert to fraction form
    2,001.24/2,763.72 = 1,755/x
  3. Step 3: Cross multiply
    2,001.24x = 2,763.72 × 1,755
  4. Step 4: Simplify right side
    2,001.24x = 4,850,328.60
  5. Step 5: Solve for x
    x = 4,850,328.60/2,001.24
  6. Step 6: Final answer
    x = 2,423.66

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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.