Home / 3,127.92-4,316.52-1,730.68

Finding the Fourth Proportional to 3,127.92, 4,316.52 and 1,730.68

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Solution

The fourth proportional to 3,127.92, 4,316.52 and 1,730.68 is: 2,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.92 : 4,316.52 = 1,730.68 : x
  2. Step 2: Convert to fraction form
    3,127.92/4,316.52 = 1,730.68/x
  3. Step 3: Cross multiply
    3,127.92x = 4,316.52 × 1,730.68
  4. Step 4: Simplify right side
    3,127.92x = 7,470,514.83
  5. Step 5: Solve for x
    x = 7,470,514.83/3,127.92
  6. Step 6: Final answer
    x = 2,388.33

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1.5x scale

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.