Home / 3,388.65-5,073.39-2,153.00

Finding the Fourth Proportional to 3,388.65, 5,073.39 and 2,153.00

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Solution

The fourth proportional to 3,388.65, 5,073.39 and 2,153.00 is: 3,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.65 : 5,073.39 = 2,153.00 : x
  2. Step 2: Convert to fraction form
    3,388.65/5,073.39 = 2,153.00/x
  3. Step 3: Cross multiply
    3,388.65x = 5,073.39 × 2,153.00
  4. Step 4: Simplify right side
    3,388.65x = 10,922,983.30
  5. Step 5: Solve for x
    x = 10,922,983.30/3,388.65
  6. Step 6: Final answer
    x = 3,223.40

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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.