Home / 1,335.19-2,002.66-1,103.17

Finding the Fourth Proportional to 1,335.19, 2,002.66 and 1,103.17

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Solution

The fourth proportional to 1,335.19, 2,002.66 and 1,103.17 is: 1,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.19 : 2,002.66 = 1,103.17 : x
  2. Step 2: Convert to fraction form
    1,335.19/2,002.66 = 1,103.17/x
  3. Step 3: Cross multiply
    1,335.19x = 2,002.66 × 1,103.17
  4. Step 4: Simplify right side
    1,335.19x = 2,209,274.43
  5. Step 5: Solve for x
    x = 2,209,274.43/1,335.19
  6. Step 6: Final answer
    x = 1,654.65

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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.