Home / 3,002.52-4,143.36-1,676.20

Finding the Fourth Proportional to 3,002.52, 4,143.36 and 1,676.20

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Solution

The fourth proportional to 3,002.52, 4,143.36 and 1,676.20 is: 2,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.52 : 4,143.36 = 1,676.20 : x
  2. Step 2: Convert to fraction form
    3,002.52/4,143.36 = 1,676.20/x
  3. Step 3: Cross multiply
    3,002.52x = 4,143.36 × 1,676.20
  4. Step 4: Simplify right side
    3,002.52x = 6,945,100.03
  5. Step 5: Solve for x
    x = 6,945,100.03/3,002.52
  6. Step 6: Final answer
    x = 2,313.09

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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.