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Finding the Fourth Proportional to 1,873.02, 2,809.97 and 574.47

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Solution

The fourth proportional to 1,873.02, 2,809.97 and 574.47 is: 861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.02 : 2,809.97 = 574.47 : x
  2. Step 2: Convert to fraction form
    1,873.02/2,809.97 = 574.47/x
  3. Step 3: Cross multiply
    1,873.02x = 2,809.97 × 574.47
  4. Step 4: Simplify right side
    1,873.02x = 1,614,240.59
  5. Step 5: Solve for x
    x = 1,614,240.59/1,873.02
  6. Step 6: Final answer
    x = 861.84

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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.