Home / 3,717.36-5,576.40-1,252.80

Finding the Fourth Proportional to 3,717.36, 5,576.40 and 1,252.80

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Solution

The fourth proportional to 3,717.36, 5,576.40 and 1,252.80 is: 1,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.36 : 5,576.40 = 1,252.80 : x
  2. Step 2: Convert to fraction form
    3,717.36/5,576.40 = 1,252.80/x
  3. Step 3: Cross multiply
    3,717.36x = 5,576.40 × 1,252.80
  4. Step 4: Simplify right side
    3,717.36x = 6,986,113.92
  5. Step 5: Solve for x
    x = 6,986,113.92/3,717.36
  6. Step 6: Final answer
    x = 1,879.32

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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.