Home / 4,212.34-5,813.29-2,420.38

Finding the Fourth Proportional to 4,212.34, 5,813.29 and 2,420.38

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Solution

The fourth proportional to 4,212.34, 5,813.29 and 2,420.38 is: 3,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.34 : 5,813.29 = 2,420.38 : x
  2. Step 2: Convert to fraction form
    4,212.34/5,813.29 = 2,420.38/x
  3. Step 3: Cross multiply
    4,212.34x = 5,813.29 × 2,420.38
  4. Step 4: Simplify right side
    4,212.34x = 14,070,370.85
  5. Step 5: Solve for x
    x = 14,070,370.85/4,212.34
  6. Step 6: Final answer
    x = 3,340.27

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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.