Home / 3,518.49-5,276.68-1,851.72

Finding the Fourth Proportional to 3,518.49, 5,276.68 and 1,851.72

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Solution

The fourth proportional to 3,518.49, 5,276.68 and 1,851.72 is: 2,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.49 : 5,276.68 = 1,851.72 : x
  2. Step 2: Convert to fraction form
    3,518.49/5,276.68 = 1,851.72/x
  3. Step 3: Cross multiply
    3,518.49x = 5,276.68 × 1,851.72
  4. Step 4: Simplify right side
    3,518.49x = 9,770,909.47
  5. Step 5: Solve for x
    x = 9,770,909.47/3,518.49
  6. Step 6: Final answer
    x = 2,777.01

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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.