Home / 3,488.34-4,812.21-2,310.39

Finding the Fourth Proportional to 3,488.34, 4,812.21 and 2,310.39

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Solution

The fourth proportional to 3,488.34, 4,812.21 and 2,310.39 is: 3,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.34 : 4,812.21 = 2,310.39 : x
  2. Step 2: Convert to fraction form
    3,488.34/4,812.21 = 2,310.39/x
  3. Step 3: Cross multiply
    3,488.34x = 4,812.21 × 2,310.39
  4. Step 4: Simplify right side
    3,488.34x = 11,118,081.86
  5. Step 5: Solve for x
    x = 11,118,081.86/3,488.34
  6. Step 6: Final answer
    x = 3,187.21

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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.