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Finding the Fourth Proportional to 2,654.36, 3,655.02 and 1,813.62

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Solution

The fourth proportional to 2,654.36, 3,655.02 and 1,813.62 is: 2,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.36 : 3,655.02 = 1,813.62 : x
  2. Step 2: Convert to fraction form
    2,654.36/3,655.02 = 1,813.62/x
  3. Step 3: Cross multiply
    2,654.36x = 3,655.02 × 1,813.62
  4. Step 4: Simplify right side
    2,654.36x = 6,628,807.04
  5. Step 5: Solve for x
    x = 6,628,807.04/2,654.36
  6. Step 6: Final answer
    x = 2,497.33

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1.5x scale

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.