Home / 3,261.23-4,497.19-2,790.69

Finding the Fourth Proportional to 3,261.23, 4,497.19 and 2,790.69

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Solution

The fourth proportional to 3,261.23, 4,497.19 and 2,790.69 is: 3,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.23 : 4,497.19 = 2,790.69 : x
  2. Step 2: Convert to fraction form
    3,261.23/4,497.19 = 2,790.69/x
  3. Step 3: Cross multiply
    3,261.23x = 4,497.19 × 2,790.69
  4. Step 4: Simplify right side
    3,261.23x = 12,550,239.32
  5. Step 5: Solve for x
    x = 12,550,239.32/3,261.23
  6. Step 6: Final answer
    x = 3,848.32

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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.