Home / 2,867.21-3,955.53-1,747.99

Finding the Fourth Proportional to 2,867.21, 3,955.53 and 1,747.99

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Solution

The fourth proportional to 2,867.21, 3,955.53 and 1,747.99 is: 2,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.21 : 3,955.53 = 1,747.99 : x
  2. Step 2: Convert to fraction form
    2,867.21/3,955.53 = 1,747.99/x
  3. Step 3: Cross multiply
    2,867.21x = 3,955.53 × 1,747.99
  4. Step 4: Simplify right side
    2,867.21x = 6,914,226.88
  5. Step 5: Solve for x
    x = 6,914,226.88/2,867.21
  6. Step 6: Final answer
    x = 2,411.48

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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.