Home / 3,095.22-4,271.38-1,678.87

Finding the Fourth Proportional to 3,095.22, 4,271.38 and 1,678.87

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Solution

The fourth proportional to 3,095.22, 4,271.38 and 1,678.87 is: 2,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.22 : 4,271.38 = 1,678.87 : x
  2. Step 2: Convert to fraction form
    3,095.22/4,271.38 = 1,678.87/x
  3. Step 3: Cross multiply
    3,095.22x = 4,271.38 × 1,678.87
  4. Step 4: Simplify right side
    3,095.22x = 7,171,083.35
  5. Step 5: Solve for x
    x = 7,171,083.35/3,095.22
  6. Step 6: Final answer
    x = 2,316.83

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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.