Home / 3,388.65-5,088.64-2,285.18

Finding the Fourth Proportional to 3,388.65, 5,088.64 and 2,285.18

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Solution

The fourth proportional to 3,388.65, 5,088.64 and 2,285.18 is: 3,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.65 : 5,088.64 = 2,285.18 : x
  2. Step 2: Convert to fraction form
    3,388.65/5,088.64 = 2,285.18/x
  3. Step 3: Cross multiply
    3,388.65x = 5,088.64 × 2,285.18
  4. Step 4: Simplify right side
    3,388.65x = 11,628,450.57
  5. Step 5: Solve for x
    x = 11,628,450.57/3,388.65
  6. Step 6: Final answer
    x = 3,431.59

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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.