Home / 3,271.06-4,514.06-1,778.96

Finding the Fourth Proportional to 3,271.06, 4,514.06 and 1,778.96

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Solution

The fourth proportional to 3,271.06, 4,514.06 and 1,778.96 is: 2,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.06 : 4,514.06 = 1,778.96 : x
  2. Step 2: Convert to fraction form
    3,271.06/4,514.06 = 1,778.96/x
  3. Step 3: Cross multiply
    3,271.06x = 4,514.06 × 1,778.96
  4. Step 4: Simplify right side
    3,271.06x = 8,030,332.18
  5. Step 5: Solve for x
    x = 8,030,332.18/3,271.06
  6. Step 6: Final answer
    x = 2,454.96

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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.