Home / 2,159.79-3,237.75-1,048.61

Finding the Fourth Proportional to 2,159.79, 3,237.75 and 1,048.61

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Solution

The fourth proportional to 2,159.79, 3,237.75 and 1,048.61 is: 1,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.79 : 3,237.75 = 1,048.61 : x
  2. Step 2: Convert to fraction form
    2,159.79/3,237.75 = 1,048.61/x
  3. Step 3: Cross multiply
    2,159.79x = 3,237.75 × 1,048.61
  4. Step 4: Simplify right side
    2,159.79x = 3,395,120.84
  5. Step 5: Solve for x
    x = 3,395,120.84/2,159.79
  6. Step 6: Final answer
    x = 1,571.97

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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.