Home / 3,625.16-5,439.18-1,316.84

Finding the Fourth Proportional to 3,625.16, 5,439.18 and 1,316.84

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Solution

The fourth proportional to 3,625.16, 5,439.18 and 1,316.84 is: 1,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.16 : 5,439.18 = 1,316.84 : x
  2. Step 2: Convert to fraction form
    3,625.16/5,439.18 = 1,316.84/x
  3. Step 3: Cross multiply
    3,625.16x = 5,439.18 × 1,316.84
  4. Step 4: Simplify right side
    3,625.16x = 7,162,529.79
  5. Step 5: Solve for x
    x = 7,162,529.79/3,625.16
  6. Step 6: Final answer
    x = 1,975.78

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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.