Home / 1,209.22-1,812.80-592.26

Finding the Fourth Proportional to 1,209.22, 1,812.80 and 592.26

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Solution

The fourth proportional to 1,209.22, 1,812.80 and 592.26 is: 887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209.22 : 1,812.80 = 592.26 : x
  2. Step 2: Convert to fraction form
    1,209.22/1,812.80 = 592.26/x
  3. Step 3: Cross multiply
    1,209.22x = 1,812.80 × 592.26
  4. Step 4: Simplify right side
    1,209.22x = 1,073,648.93
  5. Step 5: Solve for x
    x = 1,073,648.93/1,209.22
  6. Step 6: Final answer
    x = 887.89

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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.