Home / 3,556.54-5,335.35-1,247.50

Finding the Fourth Proportional to 3,556.54, 5,335.35 and 1,247.50

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Solution

The fourth proportional to 3,556.54, 5,335.35 and 1,247.50 is: 1,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.54 : 5,335.35 = 1,247.50 : x
  2. Step 2: Convert to fraction form
    3,556.54/5,335.35 = 1,247.50/x
  3. Step 3: Cross multiply
    3,556.54x = 5,335.35 × 1,247.50
  4. Step 4: Simplify right side
    3,556.54x = 6,655,849.13
  5. Step 5: Solve for x
    x = 6,655,849.13/3,556.54
  6. Step 6: Final answer
    x = 1,871.44

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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.