Home / 2,763.20-3,811.48-1,715.26

Finding the Fourth Proportional to 2,763.20, 3,811.48 and 1,715.26

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Solution

The fourth proportional to 2,763.20, 3,811.48 and 1,715.26 is: 2,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.20 : 3,811.48 = 1,715.26 : x
  2. Step 2: Convert to fraction form
    2,763.20/3,811.48 = 1,715.26/x
  3. Step 3: Cross multiply
    2,763.20x = 3,811.48 × 1,715.26
  4. Step 4: Simplify right side
    2,763.20x = 6,537,679.18
  5. Step 5: Solve for x
    x = 6,537,679.18/2,763.20
  6. Step 6: Final answer
    x = 2,365.98

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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.