Home / 2,133.50-3,200.65-1,159.07

Finding the Fourth Proportional to 2,133.50, 3,200.65 and 1,159.07

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Solution

The fourth proportional to 2,133.50, 3,200.65 and 1,159.07 is: 1,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.50 : 3,200.65 = 1,159.07 : x
  2. Step 2: Convert to fraction form
    2,133.50/3,200.65 = 1,159.07/x
  3. Step 3: Cross multiply
    2,133.50x = 3,200.65 × 1,159.07
  4. Step 4: Simplify right side
    2,133.50x = 3,709,758.49
  5. Step 5: Solve for x
    x = 3,709,758.49/2,133.50
  6. Step 6: Final answer
    x = 1,738.82

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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.