Home / 3,261.66-4,504.84-2,147.58

Finding the Fourth Proportional to 3,261.66, 4,504.84 and 2,147.58

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Solution

The fourth proportional to 3,261.66, 4,504.84 and 2,147.58 is: 2,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.66 : 4,504.84 = 2,147.58 : x
  2. Step 2: Convert to fraction form
    3,261.66/4,504.84 = 2,147.58/x
  3. Step 3: Cross multiply
    3,261.66x = 4,504.84 × 2,147.58
  4. Step 4: Simplify right side
    3,261.66x = 9,674,515.81
  5. Step 5: Solve for x
    x = 9,674,515.81/3,261.66
  6. Step 6: Final answer
    x = 2,966.13

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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.