Home / 3,613.36-5,411.32-2,455.60

Finding the Fourth Proportional to 3,613.36, 5,411.32 and 2,455.60

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Solution

The fourth proportional to 3,613.36, 5,411.32 and 2,455.60 is: 3,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.36 : 5,411.32 = 2,455.60 : x
  2. Step 2: Convert to fraction form
    3,613.36/5,411.32 = 2,455.60/x
  3. Step 3: Cross multiply
    3,613.36x = 5,411.32 × 2,455.60
  4. Step 4: Simplify right side
    3,613.36x = 13,288,037.39
  5. Step 5: Solve for x
    x = 13,288,037.39/3,613.36
  6. Step 6: Final answer
    x = 3,677.47

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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.