Home / 3,462.71-5,190.98-1,270.92

Finding the Fourth Proportional to 3,462.71, 5,190.98 and 1,270.92

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Solution

The fourth proportional to 3,462.71, 5,190.98 and 1,270.92 is: 1,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.71 : 5,190.98 = 1,270.92 : x
  2. Step 2: Convert to fraction form
    3,462.71/5,190.98 = 1,270.92/x
  3. Step 3: Cross multiply
    3,462.71x = 5,190.98 × 1,270.92
  4. Step 4: Simplify right side
    3,462.71x = 6,597,328.72
  5. Step 5: Solve for x
    x = 6,597,328.72/3,462.71
  6. Step 6: Final answer
    x = 1,905.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.