Home / 3,354.34-5,031.54-1,273.78

Finding the Fourth Proportional to 3,354.34, 5,031.54 and 1,273.78

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Solution

The fourth proportional to 3,354.34, 5,031.54 and 1,273.78 is: 1,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.34 : 5,031.54 = 1,273.78 : x
  2. Step 2: Convert to fraction form
    3,354.34/5,031.54 = 1,273.78/x
  3. Step 3: Cross multiply
    3,354.34x = 5,031.54 × 1,273.78
  4. Step 4: Simplify right side
    3,354.34x = 6,409,075.02
  5. Step 5: Solve for x
    x = 6,409,075.02/3,354.34
  6. Step 6: Final answer
    x = 1,910.68

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1.5x scale

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.