Home / 3,521.46-4,859.34-2,176.86

Finding the Fourth Proportional to 3,521.46, 4,859.34 and 2,176.86

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Solution

The fourth proportional to 3,521.46, 4,859.34 and 2,176.86 is: 3,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.46 : 4,859.34 = 2,176.86 : x
  2. Step 2: Convert to fraction form
    3,521.46/4,859.34 = 2,176.86/x
  3. Step 3: Cross multiply
    3,521.46x = 4,859.34 × 2,176.86
  4. Step 4: Simplify right side
    3,521.46x = 10,578,102.87
  5. Step 5: Solve for x
    x = 10,578,102.87/3,521.46
  6. Step 6: Final answer
    x = 3,003.90

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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.