Home / 3,760.08-5,188.73-2,081.45

Finding the Fourth Proportional to 3,760.08, 5,188.73 and 2,081.45

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Solution

The fourth proportional to 3,760.08, 5,188.73 and 2,081.45 is: 2,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.08 : 5,188.73 = 2,081.45 : x
  2. Step 2: Convert to fraction form
    3,760.08/5,188.73 = 2,081.45/x
  3. Step 3: Cross multiply
    3,760.08x = 5,188.73 × 2,081.45
  4. Step 4: Simplify right side
    3,760.08x = 10,800,045.71
  5. Step 5: Solve for x
    x = 10,800,045.71/3,760.08
  6. Step 6: Final answer
    x = 2,872.29

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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.