Home / 3,002.34-4,143.18-1,676.20

Finding the Fourth Proportional to 3,002.34, 4,143.18 and 1,676.20

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Solution

The fourth proportional to 3,002.34, 4,143.18 and 1,676.20 is: 2,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.34 : 4,143.18 = 1,676.20 : x
  2. Step 2: Convert to fraction form
    3,002.34/4,143.18 = 1,676.20/x
  3. Step 3: Cross multiply
    3,002.34x = 4,143.18 × 1,676.20
  4. Step 4: Simplify right side
    3,002.34x = 6,944,798.32
  5. Step 5: Solve for x
    x = 6,944,798.32/3,002.34
  6. Step 6: Final answer
    x = 2,313.13

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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.