Home / 3,434.40-5,153.71-1,354.04

Finding the Fourth Proportional to 3,434.40, 5,153.71 and 1,354.04

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Solution

The fourth proportional to 3,434.40, 5,153.71 and 1,354.04 is: 2,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.40 : 5,153.71 = 1,354.04 : x
  2. Step 2: Convert to fraction form
    3,434.40/5,153.71 = 1,354.04/x
  3. Step 3: Cross multiply
    3,434.40x = 5,153.71 × 1,354.04
  4. Step 4: Simplify right side
    3,434.40x = 6,978,329.49
  5. Step 5: Solve for x
    x = 6,978,329.49/3,434.40
  6. Step 6: Final answer
    x = 2,031.89

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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.