Home / 3,421.42-4,722.72-2,426.92

Finding the Fourth Proportional to 3,421.42, 4,722.72 and 2,426.92

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Solution

The fourth proportional to 3,421.42, 4,722.72 and 2,426.92 is: 3,349.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.42 : 4,722.72 = 2,426.92 : x
  2. Step 2: Convert to fraction form
    3,421.42/4,722.72 = 2,426.92/x
  3. Step 3: Cross multiply
    3,421.42x = 4,722.72 × 2,426.92
  4. Step 4: Simplify right side
    3,421.42x = 11,461,663.62
  5. Step 5: Solve for x
    x = 11,461,663.62/3,421.42
  6. Step 6: Final answer
    x = 3,349.97

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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.