Home / 1,366.12-1,885.32-1,033.96

Finding the Fourth Proportional to 1,366.12, 1,885.32 and 1,033.96

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Solution

The fourth proportional to 1,366.12, 1,885.32 and 1,033.96 is: 1,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.12 : 1,885.32 = 1,033.96 : x
  2. Step 2: Convert to fraction form
    1,366.12/1,885.32 = 1,033.96/x
  3. Step 3: Cross multiply
    1,366.12x = 1,885.32 × 1,033.96
  4. Step 4: Simplify right side
    1,366.12x = 1,949,345.47
  5. Step 5: Solve for x
    x = 1,949,345.47/1,366.12
  6. Step 6: Final answer
    x = 1,426.92

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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.