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Finding the Fourth Proportional to 1,809.58, 2,713.45 and 883.75

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Solution

The fourth proportional to 1,809.58, 2,713.45 and 883.75 is: 1,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.58 : 2,713.45 = 883.75 : x
  2. Step 2: Convert to fraction form
    1,809.58/2,713.45 = 883.75/x
  3. Step 3: Cross multiply
    1,809.58x = 2,713.45 × 883.75
  4. Step 4: Simplify right side
    1,809.58x = 2,398,002.44
  5. Step 5: Solve for x
    x = 2,398,002.44/1,809.58
  6. Step 6: Final answer
    x = 1,325.17

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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.