Home / 3,518.88-5,276.72-1,326.08

Finding the Fourth Proportional to 3,518.88, 5,276.72 and 1,326.08

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Solution

The fourth proportional to 3,518.88, 5,276.72 and 1,326.08 is: 1,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.88 : 5,276.72 = 1,326.08 : x
  2. Step 2: Convert to fraction form
    3,518.88/5,276.72 = 1,326.08/x
  3. Step 3: Cross multiply
    3,518.88x = 5,276.72 × 1,326.08
  4. Step 4: Simplify right side
    3,518.88x = 6,997,352.86
  5. Step 5: Solve for x
    x = 6,997,352.86/3,518.88
  6. Step 6: Final answer
    x = 1,988.52

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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.