Home / 3,148.74-4,715.82-2,412.72

Finding the Fourth Proportional to 3,148.74, 4,715.82 and 2,412.72

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Solution

The fourth proportional to 3,148.74, 4,715.82 and 2,412.72 is: 3,613.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.74 : 4,715.82 = 2,412.72 : x
  2. Step 2: Convert to fraction form
    3,148.74/4,715.82 = 2,412.72/x
  3. Step 3: Cross multiply
    3,148.74x = 4,715.82 × 2,412.72
  4. Step 4: Simplify right side
    3,148.74x = 11,377,953.23
  5. Step 5: Solve for x
    x = 11,377,953.23/3,148.74
  6. Step 6: Final answer
    x = 3,613.49

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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.