Home / 3,127.68-4,316.04-1,730.52

Finding the Fourth Proportional to 3,127.68, 4,316.04 and 1,730.52

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Solution

The fourth proportional to 3,127.68, 4,316.04 and 1,730.52 is: 2,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.68 : 4,316.04 = 1,730.52 : x
  2. Step 2: Convert to fraction form
    3,127.68/4,316.04 = 1,730.52/x
  3. Step 3: Cross multiply
    3,127.68x = 4,316.04 × 1,730.52
  4. Step 4: Simplify right side
    3,127.68x = 7,468,993.54
  5. Step 5: Solve for x
    x = 7,468,993.54/3,127.68
  6. Step 6: Final answer
    x = 2,388.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.