Home / 3,465.21-5,195.13-1,616.07

Finding the Fourth Proportional to 3,465.21, 5,195.13 and 1,616.07

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Solution

The fourth proportional to 3,465.21, 5,195.13 and 1,616.07 is: 2,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.21 : 5,195.13 = 1,616.07 : x
  2. Step 2: Convert to fraction form
    3,465.21/5,195.13 = 1,616.07/x
  3. Step 3: Cross multiply
    3,465.21x = 5,195.13 × 1,616.07
  4. Step 4: Simplify right side
    3,465.21x = 8,395,693.74
  5. Step 5: Solve for x
    x = 8,395,693.74/3,465.21
  6. Step 6: Final answer
    x = 2,422.85

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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.