Home / 3,818.24-5,728.64-1,508.48

Finding the Fourth Proportional to 3,818.24, 5,728.64 and 1,508.48

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Solution

The fourth proportional to 3,818.24, 5,728.64 and 1,508.48 is: 2,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.24 : 5,728.64 = 1,508.48 : x
  2. Step 2: Convert to fraction form
    3,818.24/5,728.64 = 1,508.48/x
  3. Step 3: Cross multiply
    3,818.24x = 5,728.64 × 1,508.48
  4. Step 4: Simplify right side
    3,818.24x = 8,641,538.87
  5. Step 5: Solve for x
    x = 8,641,538.87/3,818.24
  6. Step 6: Final answer
    x = 2,263.23

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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.