Home / 3,685.70-5,088.89-2,269.82

Finding the Fourth Proportional to 3,685.70, 5,088.89 and 2,269.82

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Solution

The fourth proportional to 3,685.70, 5,088.89 and 2,269.82 is: 3,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.70 : 5,088.89 = 2,269.82 : x
  2. Step 2: Convert to fraction form
    3,685.70/5,088.89 = 2,269.82/x
  3. Step 3: Cross multiply
    3,685.70x = 5,088.89 × 2,269.82
  4. Step 4: Simplify right side
    3,685.70x = 11,550,882.70
  5. Step 5: Solve for x
    x = 11,550,882.70/3,685.70
  6. Step 6: Final answer
    x = 3,133.97

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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.