Home / 3,281.18-4,527.98-2,163.74

Finding the Fourth Proportional to 3,281.18, 4,527.98 and 2,163.74

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Solution

The fourth proportional to 3,281.18, 4,527.98 and 2,163.74 is: 2,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.18 : 4,527.98 = 2,163.74 : x
  2. Step 2: Convert to fraction form
    3,281.18/4,527.98 = 2,163.74/x
  3. Step 3: Cross multiply
    3,281.18x = 4,527.98 × 2,163.74
  4. Step 4: Simplify right side
    3,281.18x = 9,797,371.45
  5. Step 5: Solve for x
    x = 9,797,371.45/3,281.18
  6. Step 6: Final answer
    x = 2,985.93

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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.