Home / 1,263.10-1,732.61-1,252.14

Finding the Fourth Proportional to 1,263.10, 1,732.61 and 1,252.14

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Solution

The fourth proportional to 1,263.10, 1,732.61 and 1,252.14 is: 1,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.10 : 1,732.61 = 1,252.14 : x
  2. Step 2: Convert to fraction form
    1,263.10/1,732.61 = 1,252.14/x
  3. Step 3: Cross multiply
    1,263.10x = 1,732.61 × 1,252.14
  4. Step 4: Simplify right side
    1,263.10x = 2,169,464.02
  5. Step 5: Solve for x
    x = 2,169,464.02/1,263.10
  6. Step 6: Final answer
    x = 1,717.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.