Home / 3,002.74-4,143.38-1,676.21

Finding the Fourth Proportional to 3,002.74, 4,143.38 and 1,676.21

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Solution

The fourth proportional to 3,002.74, 4,143.38 and 1,676.21 is: 2,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.74 : 4,143.38 = 1,676.21 : x
  2. Step 2: Convert to fraction form
    3,002.74/4,143.38 = 1,676.21/x
  3. Step 3: Cross multiply
    3,002.74x = 4,143.38 × 1,676.21
  4. Step 4: Simplify right side
    3,002.74x = 6,945,145.89
  5. Step 5: Solve for x
    x = 6,945,145.89/3,002.74
  6. Step 6: Final answer
    x = 2,312.94

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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.