Home / 3,401.07-5,101.64-1,209.89

Finding the Fourth Proportional to 3,401.07, 5,101.64 and 1,209.89

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Solution

The fourth proportional to 3,401.07, 5,101.64 and 1,209.89 is: 1,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.07 : 5,101.64 = 1,209.89 : x
  2. Step 2: Convert to fraction form
    3,401.07/5,101.64 = 1,209.89/x
  3. Step 3: Cross multiply
    3,401.07x = 5,101.64 × 1,209.89
  4. Step 4: Simplify right side
    3,401.07x = 6,172,391.66
  5. Step 5: Solve for x
    x = 6,172,391.66/3,401.07
  6. Step 6: Final answer
    x = 1,814.84

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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.