Home / 2,225.07-3,337.09-838.55

Finding the Fourth Proportional to 2,225.07, 3,337.09 and 838.55

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Solution

The fourth proportional to 2,225.07, 3,337.09 and 838.55 is: 1,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.07 : 3,337.09 = 838.55 : x
  2. Step 2: Convert to fraction form
    2,225.07/3,337.09 = 838.55/x
  3. Step 3: Cross multiply
    2,225.07x = 3,337.09 × 838.55
  4. Step 4: Simplify right side
    2,225.07x = 2,798,316.82
  5. Step 5: Solve for x
    x = 2,798,316.82/2,225.07
  6. Step 6: Final answer
    x = 1,257.63

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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.