Home / 2,654.16-3,660.64-1,857.22

Finding the Fourth Proportional to 2,654.16, 3,660.64 and 1,857.22

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Solution

The fourth proportional to 2,654.16, 3,660.64 and 1,857.22 is: 2,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.16 : 3,660.64 = 1,857.22 : x
  2. Step 2: Convert to fraction form
    2,654.16/3,660.64 = 1,857.22/x
  3. Step 3: Cross multiply
    2,654.16x = 3,660.64 × 1,857.22
  4. Step 4: Simplify right side
    2,654.16x = 6,798,613.82
  5. Step 5: Solve for x
    x = 6,798,613.82/2,654.16
  6. Step 6: Final answer
    x = 2,561.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.