Home / 2,120.04-3,179.56-1,501.92

Finding the Fourth Proportional to 2,120.04, 3,179.56 and 1,501.92

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Solution

The fourth proportional to 2,120.04, 3,179.56 and 1,501.92 is: 2,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120.04 : 3,179.56 = 1,501.92 : x
  2. Step 2: Convert to fraction form
    2,120.04/3,179.56 = 1,501.92/x
  3. Step 3: Cross multiply
    2,120.04x = 3,179.56 × 1,501.92
  4. Step 4: Simplify right side
    2,120.04x = 4,775,444.76
  5. Step 5: Solve for x
    x = 4,775,444.76/2,120.04
  6. Step 6: Final answer
    x = 2,252.53

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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.