Home / 3,381.43-4,672.34-2,602.21

Finding the Fourth Proportional to 3,381.43, 4,672.34 and 2,602.21

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Solution

The fourth proportional to 3,381.43, 4,672.34 and 2,602.21 is: 3,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.43 : 4,672.34 = 2,602.21 : x
  2. Step 2: Convert to fraction form
    3,381.43/4,672.34 = 2,602.21/x
  3. Step 3: Cross multiply
    3,381.43x = 4,672.34 × 2,602.21
  4. Step 4: Simplify right side
    3,381.43x = 12,158,396.86
  5. Step 5: Solve for x
    x = 12,158,396.86/3,381.43
  6. Step 6: Final answer
    x = 3,595.64

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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.