Home / 3,406.23-5,106.15-1,327.57

Finding the Fourth Proportional to 3,406.23, 5,106.15 and 1,327.57

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Solution

The fourth proportional to 3,406.23, 5,106.15 and 1,327.57 is: 1,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.23 : 5,106.15 = 1,327.57 : x
  2. Step 2: Convert to fraction form
    3,406.23/5,106.15 = 1,327.57/x
  3. Step 3: Cross multiply
    3,406.23x = 5,106.15 × 1,327.57
  4. Step 4: Simplify right side
    3,406.23x = 6,778,758.79
  5. Step 5: Solve for x
    x = 6,778,758.79/3,406.23
  6. Step 6: Final answer
    x = 1,990.11

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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.