Home / 2,152.01-3,226.39-918.38

Finding the Fourth Proportional to 2,152.01, 3,226.39 and 918.38

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Solution

The fourth proportional to 2,152.01, 3,226.39 and 918.38 is: 1,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.01 : 3,226.39 = 918.38 : x
  2. Step 2: Convert to fraction form
    2,152.01/3,226.39 = 918.38/x
  3. Step 3: Cross multiply
    2,152.01x = 3,226.39 × 918.38
  4. Step 4: Simplify right side
    2,152.01x = 2,963,052.05
  5. Step 5: Solve for x
    x = 2,963,052.05/2,152.01
  6. Step 6: Final answer
    x = 1,376.88

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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.