Home / 4,099.88-5,658.24-2,421.84

Finding the Fourth Proportional to 4,099.88, 5,658.24 and 2,421.84

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Solution

The fourth proportional to 4,099.88, 5,658.24 and 2,421.84 is: 3,342.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.88 : 5,658.24 = 2,421.84 : x
  2. Step 2: Convert to fraction form
    4,099.88/5,658.24 = 2,421.84/x
  3. Step 3: Cross multiply
    4,099.88x = 5,658.24 × 2,421.84
  4. Step 4: Simplify right side
    4,099.88x = 13,703,351.96
  5. Step 5: Solve for x
    x = 13,703,351.96/4,099.88
  6. Step 6: Final answer
    x = 3,342.38

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Half scale
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Double 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.