Home / 3,438.08-5,156.15-1,682.13

Finding the Fourth Proportional to 3,438.08, 5,156.15 and 1,682.13

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Solution

The fourth proportional to 3,438.08, 5,156.15 and 1,682.13 is: 2,522.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.08 : 5,156.15 = 1,682.13 : x
  2. Step 2: Convert to fraction form
    3,438.08/5,156.15 = 1,682.13/x
  3. Step 3: Cross multiply
    3,438.08x = 5,156.15 × 1,682.13
  4. Step 4: Simplify right side
    3,438.08x = 8,673,306.19
  5. Step 5: Solve for x
    x = 8,673,306.19/3,438.08
  6. Step 6: Final answer
    x = 2,522.72

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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.