Home / 2,885.48-3,981.96-1,626.54

Finding the Fourth Proportional to 2,885.48, 3,981.96 and 1,626.54

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Solution

The fourth proportional to 2,885.48, 3,981.96 and 1,626.54 is: 2,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.48 : 3,981.96 = 1,626.54 : x
  2. Step 2: Convert to fraction form
    2,885.48/3,981.96 = 1,626.54/x
  3. Step 3: Cross multiply
    2,885.48x = 3,981.96 × 1,626.54
  4. Step 4: Simplify right side
    2,885.48x = 6,476,802.29
  5. Step 5: Solve for x
    x = 6,476,802.29/2,885.48
  6. Step 6: Final answer
    x = 2,244.62

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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.