Home / 2,471.88-3,704.46-1,240.17

Finding the Fourth Proportional to 2,471.88, 3,704.46 and 1,240.17

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Solution

The fourth proportional to 2,471.88, 3,704.46 and 1,240.17 is: 1,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.88 : 3,704.46 = 1,240.17 : x
  2. Step 2: Convert to fraction form
    2,471.88/3,704.46 = 1,240.17/x
  3. Step 3: Cross multiply
    2,471.88x = 3,704.46 × 1,240.17
  4. Step 4: Simplify right side
    2,471.88x = 4,594,160.16
  5. Step 5: Solve for x
    x = 4,594,160.16/2,471.88
  6. Step 6: Final answer
    x = 1,858.57

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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.