Home / 2,471.32-3,708.81-1,172.80

Finding the Fourth Proportional to 2,471.32, 3,708.81 and 1,172.80

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Solution

The fourth proportional to 2,471.32, 3,708.81 and 1,172.80 is: 1,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.32 : 3,708.81 = 1,172.80 : x
  2. Step 2: Convert to fraction form
    2,471.32/3,708.81 = 1,172.80/x
  3. Step 3: Cross multiply
    2,471.32x = 3,708.81 × 1,172.80
  4. Step 4: Simplify right side
    2,471.32x = 4,349,692.37
  5. Step 5: Solve for x
    x = 4,349,692.37/2,471.32
  6. Step 6: Final answer
    x = 1,760.07

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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.