Home / 2,885.46-3,981.75-1,626.56

Finding the Fourth Proportional to 2,885.46, 3,981.75 and 1,626.56

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Solution

The fourth proportional to 2,885.46, 3,981.75 and 1,626.56 is: 2,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.46 : 3,981.75 = 1,626.56 : x
  2. Step 2: Convert to fraction form
    2,885.46/3,981.75 = 1,626.56/x
  3. Step 3: Cross multiply
    2,885.46x = 3,981.75 × 1,626.56
  4. Step 4: Simplify right side
    2,885.46x = 6,476,535.37
  5. Step 5: Solve for x
    x = 6,476,535.37/2,885.46
  6. Step 6: Final answer
    x = 2,244.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.