Home / 3,354.42-5,031.60-1,977.33

Finding the Fourth Proportional to 3,354.42, 5,031.60 and 1,977.33

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Solution

The fourth proportional to 3,354.42, 5,031.60 and 1,977.33 is: 2,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.42 : 5,031.60 = 1,977.33 : x
  2. Step 2: Convert to fraction form
    3,354.42/5,031.60 = 1,977.33/x
  3. Step 3: Cross multiply
    3,354.42x = 5,031.60 × 1,977.33
  4. Step 4: Simplify right side
    3,354.42x = 9,949,133.63
  5. Step 5: Solve for x
    x = 9,949,133.63/3,354.42
  6. Step 6: Final answer
    x = 2,965.98

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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.