Home / 4,122.75-6,184.90-1,657.77

Finding the Fourth Proportional to 4,122.75, 6,184.90 and 1,657.77

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Solution

The fourth proportional to 4,122.75, 6,184.90 and 1,657.77 is: 2,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.75 : 6,184.90 = 1,657.77 : x
  2. Step 2: Convert to fraction form
    4,122.75/6,184.90 = 1,657.77/x
  3. Step 3: Cross multiply
    4,122.75x = 6,184.90 × 1,657.77
  4. Step 4: Simplify right side
    4,122.75x = 10,253,141.67
  5. Step 5: Solve for x
    x = 10,253,141.67/4,122.75
  6. Step 6: Final answer
    x = 2,486.97

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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.