Home / 4,100.46-5,658.57-2,421.68

Finding the Fourth Proportional to 4,100.46, 5,658.57 and 2,421.68

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Solution

The fourth proportional to 4,100.46, 5,658.57 and 2,421.68 is: 3,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.46 : 5,658.57 = 2,421.68 : x
  2. Step 2: Convert to fraction form
    4,100.46/5,658.57 = 2,421.68/x
  3. Step 3: Cross multiply
    4,100.46x = 5,658.57 × 2,421.68
  4. Step 4: Simplify right side
    4,100.46x = 13,703,217.50
  5. Step 5: Solve for x
    x = 13,703,217.50/4,100.46
  6. Step 6: Final answer
    x = 3,341.87

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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.