Home / 3,045.55-4,199.97-2,099.83

Finding the Fourth Proportional to 3,045.55, 4,199.97 and 2,099.83

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Solution

The fourth proportional to 3,045.55, 4,199.97 and 2,099.83 is: 2,895.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.55 : 4,199.97 = 2,099.83 : x
  2. Step 2: Convert to fraction form
    3,045.55/4,199.97 = 2,099.83/x
  3. Step 3: Cross multiply
    3,045.55x = 4,199.97 × 2,099.83
  4. Step 4: Simplify right side
    3,045.55x = 8,819,223.01
  5. Step 5: Solve for x
    x = 8,819,223.01/3,045.55
  6. Step 6: Final answer
    x = 2,895.77

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Half scale
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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.