Home / 3,152.16-4,345.74-2,206.68

Finding the Fourth Proportional to 3,152.16, 4,345.74 and 2,206.68

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Solution

The fourth proportional to 3,152.16, 4,345.74 and 2,206.68 is: 3,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.16 : 4,345.74 = 2,206.68 : x
  2. Step 2: Convert to fraction form
    3,152.16/4,345.74 = 2,206.68/x
  3. Step 3: Cross multiply
    3,152.16x = 4,345.74 × 2,206.68
  4. Step 4: Simplify right side
    3,152.16x = 9,589,657.54
  5. Step 5: Solve for x
    x = 9,589,657.54/3,152.16
  6. Step 6: Final answer
    x = 3,042.25

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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.