Home / 1,263.90-1,743.34-1,097.83

Finding the Fourth Proportional to 1,263.90, 1,743.34 and 1,097.83

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Solution

The fourth proportional to 1,263.90, 1,743.34 and 1,097.83 is: 1,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.90 : 1,743.34 = 1,097.83 : x
  2. Step 2: Convert to fraction form
    1,263.90/1,743.34 = 1,097.83/x
  3. Step 3: Cross multiply
    1,263.90x = 1,743.34 × 1,097.83
  4. Step 4: Simplify right side
    1,263.90x = 1,913,882.91
  5. Step 5: Solve for x
    x = 1,913,882.91/1,263.90
  6. Step 6: Final answer
    x = 1,514.26

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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.