Home / 3,002.42-4,143.17-1,676.21

Finding the Fourth Proportional to 3,002.42, 4,143.17 and 1,676.21

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Solution

The fourth proportional to 3,002.42, 4,143.17 and 1,676.21 is: 2,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.42 : 4,143.17 = 1,676.21 : x
  2. Step 2: Convert to fraction form
    3,002.42/4,143.17 = 1,676.21/x
  3. Step 3: Cross multiply
    3,002.42x = 4,143.17 × 1,676.21
  4. Step 4: Simplify right side
    3,002.42x = 6,944,837.53
  5. Step 5: Solve for x
    x = 6,944,837.53/3,002.42
  6. Step 6: Final answer
    x = 2,313.08

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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.