Home / 3,816.49-5,701.60-2,418.64

Finding the Fourth Proportional to 3,816.49, 5,701.60 and 2,418.64

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Solution

The fourth proportional to 3,816.49, 5,701.60 and 2,418.64 is: 3,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.49 : 5,701.60 = 2,418.64 : x
  2. Step 2: Convert to fraction form
    3,816.49/5,701.60 = 2,418.64/x
  3. Step 3: Cross multiply
    3,816.49x = 5,701.60 × 2,418.64
  4. Step 4: Simplify right side
    3,816.49x = 13,790,117.82
  5. Step 5: Solve for x
    x = 13,790,117.82/3,816.49
  6. Step 6: Final answer
    x = 3,613.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.