Home / 3,002.06-4,142.78-1,675.76

Finding the Fourth Proportional to 3,002.06, 4,142.78 and 1,675.76

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Solution

The fourth proportional to 3,002.06, 4,142.78 and 1,675.76 is: 2,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.06 : 4,142.78 = 1,675.76 : x
  2. Step 2: Convert to fraction form
    3,002.06/4,142.78 = 1,675.76/x
  3. Step 3: Cross multiply
    3,002.06x = 4,142.78 × 1,675.76
  4. Step 4: Simplify right side
    3,002.06x = 6,942,305.01
  5. Step 5: Solve for x
    x = 6,942,305.01/3,002.06
  6. Step 6: Final answer
    x = 2,312.51

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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.