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Finding the Fourth Proportional to 2,602.73, 3,903.79 and 654.79

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Solution

The fourth proportional to 2,602.73, 3,903.79 and 654.79 is: 982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.73 : 3,903.79 = 654.79 : x
  2. Step 2: Convert to fraction form
    2,602.73/3,903.79 = 654.79/x
  3. Step 3: Cross multiply
    2,602.73x = 3,903.79 × 654.79
  4. Step 4: Simplify right side
    2,602.73x = 2,556,162.65
  5. Step 5: Solve for x
    x = 2,556,162.65/2,602.73
  6. Step 6: Final answer
    x = 982.11

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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.