Home / 3,549.47-5,319.59-1,904.09

Finding the Fourth Proportional to 3,549.47, 5,319.59 and 1,904.09

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Solution

The fourth proportional to 3,549.47, 5,319.59 and 1,904.09 is: 2,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.47 : 5,319.59 = 1,904.09 : x
  2. Step 2: Convert to fraction form
    3,549.47/5,319.59 = 1,904.09/x
  3. Step 3: Cross multiply
    3,549.47x = 5,319.59 × 1,904.09
  4. Step 4: Simplify right side
    3,549.47x = 10,128,961.95
  5. Step 5: Solve for x
    x = 10,128,961.95/3,549.47
  6. Step 6: Final answer
    x = 2,853.66

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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.