Home / 3,369.09-5,053.86-1,421.46

Finding the Fourth Proportional to 3,369.09, 5,053.86 and 1,421.46

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Solution

The fourth proportional to 3,369.09, 5,053.86 and 1,421.46 is: 2,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.09 : 5,053.86 = 1,421.46 : x
  2. Step 2: Convert to fraction form
    3,369.09/5,053.86 = 1,421.46/x
  3. Step 3: Cross multiply
    3,369.09x = 5,053.86 × 1,421.46
  4. Step 4: Simplify right side
    3,369.09x = 7,183,859.84
  5. Step 5: Solve for x
    x = 7,183,859.84/3,369.09
  6. Step 6: Final answer
    x = 2,132.28

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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.