Home / 1,296.04-1,951.81-1,135.66

Finding the Fourth Proportional to 1,296.04, 1,951.81 and 1,135.66

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Solution

The fourth proportional to 1,296.04, 1,951.81 and 1,135.66 is: 1,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.04 : 1,951.81 = 1,135.66 : x
  2. Step 2: Convert to fraction form
    1,296.04/1,951.81 = 1,135.66/x
  3. Step 3: Cross multiply
    1,296.04x = 1,951.81 × 1,135.66
  4. Step 4: Simplify right side
    1,296.04x = 2,216,592.54
  5. Step 5: Solve for x
    x = 2,216,592.54/1,296.04
  6. Step 6: Final answer
    x = 1,710.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.