Home / 1,599.13-2,207.82-1,305.10

Finding the Fourth Proportional to 1,599.13, 2,207.82 and 1,305.10

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Solution

The fourth proportional to 1,599.13, 2,207.82 and 1,305.10 is: 1,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.13 : 2,207.82 = 1,305.10 : x
  2. Step 2: Convert to fraction form
    1,599.13/2,207.82 = 1,305.10/x
  3. Step 3: Cross multiply
    1,599.13x = 2,207.82 × 1,305.10
  4. Step 4: Simplify right side
    1,599.13x = 2,881,425.88
  5. Step 5: Solve for x
    x = 2,881,425.88/1,599.13
  6. Step 6: Final answer
    x = 1,801.87

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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.