Home / 1,332.69-1,998.96-1,292.59

Finding the Fourth Proportional to 1,332.69, 1,998.96 and 1,292.59

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Solution

The fourth proportional to 1,332.69, 1,998.96 and 1,292.59 is: 1,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.69 : 1,998.96 = 1,292.59 : x
  2. Step 2: Convert to fraction form
    1,332.69/1,998.96 = 1,292.59/x
  3. Step 3: Cross multiply
    1,332.69x = 1,998.96 × 1,292.59
  4. Step 4: Simplify right side
    1,332.69x = 2,583,835.71
  5. Step 5: Solve for x
    x = 2,583,835.71/1,332.69
  6. Step 6: Final answer
    x = 1,938.82

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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.