Home / 3,626.65-5,440.92-1,872.19

Finding the Fourth Proportional to 3,626.65, 5,440.92 and 1,872.19

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Solution

The fourth proportional to 3,626.65, 5,440.92 and 1,872.19 is: 2,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.65 : 5,440.92 = 1,872.19 : x
  2. Step 2: Convert to fraction form
    3,626.65/5,440.92 = 1,872.19/x
  3. Step 3: Cross multiply
    3,626.65x = 5,440.92 × 1,872.19
  4. Step 4: Simplify right side
    3,626.65x = 10,186,436.01
  5. Step 5: Solve for x
    x = 10,186,436.01/3,626.65
  6. Step 6: Final answer
    x = 2,808.77

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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.