Home / 3,626.54-5,441.64-1,680.11

Finding the Fourth Proportional to 3,626.54, 5,441.64 and 1,680.11

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Solution

The fourth proportional to 3,626.54, 5,441.64 and 1,680.11 is: 2,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.54 : 5,441.64 = 1,680.11 : x
  2. Step 2: Convert to fraction form
    3,626.54/5,441.64 = 1,680.11/x
  3. Step 3: Cross multiply
    3,626.54x = 5,441.64 × 1,680.11
  4. Step 4: Simplify right side
    3,626.54x = 9,142,526.57
  5. Step 5: Solve for x
    x = 9,142,526.57/3,626.54
  6. Step 6: Final answer
    x = 2,521.01

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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.