Home / 3,421.50-4,718.96-2,242.34

Finding the Fourth Proportional to 3,421.50, 4,718.96 and 2,242.34

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Solution

The fourth proportional to 3,421.50, 4,718.96 and 2,242.34 is: 3,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.50 : 4,718.96 = 2,242.34 : x
  2. Step 2: Convert to fraction form
    3,421.50/4,718.96 = 2,242.34/x
  3. Step 3: Cross multiply
    3,421.50x = 4,718.96 × 2,242.34
  4. Step 4: Simplify right side
    3,421.50x = 10,581,512.77
  5. Step 5: Solve for x
    x = 10,581,512.77/3,421.50
  6. Step 6: Final answer
    x = 3,092.65

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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.