Home / 3,647.86-5,034.63-2,076.46

Finding the Fourth Proportional to 3,647.86, 5,034.63 and 2,076.46

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Solution

The fourth proportional to 3,647.86, 5,034.63 and 2,076.46 is: 2,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.86 : 5,034.63 = 2,076.46 : x
  2. Step 2: Convert to fraction form
    3,647.86/5,034.63 = 2,076.46/x
  3. Step 3: Cross multiply
    3,647.86x = 5,034.63 × 2,076.46
  4. Step 4: Simplify right side
    3,647.86x = 10,454,207.81
  5. Step 5: Solve for x
    x = 10,454,207.81/3,647.86
  6. Step 6: Final answer
    x = 2,865.85

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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.