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Finding the Fourth Proportional to 1,809.61, 2,497.03 and 1,023.65

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Solution

The fourth proportional to 1,809.61, 2,497.03 and 1,023.65 is: 1,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.61 : 2,497.03 = 1,023.65 : x
  2. Step 2: Convert to fraction form
    1,809.61/2,497.03 = 1,023.65/x
  3. Step 3: Cross multiply
    1,809.61x = 2,497.03 × 1,023.65
  4. Step 4: Simplify right side
    1,809.61x = 2,556,093.12
  5. Step 5: Solve for x
    x = 2,556,093.12/1,809.61
  6. Step 6: Final answer
    x = 1,412.51

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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.