Home / 3,281.39-4,527.61-1,955.53

Finding the Fourth Proportional to 3,281.39, 4,527.61 and 1,955.53

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Solution

The fourth proportional to 3,281.39, 4,527.61 and 1,955.53 is: 2,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.39 : 4,527.61 = 1,955.53 : x
  2. Step 2: Convert to fraction form
    3,281.39/4,527.61 = 1,955.53/x
  3. Step 3: Cross multiply
    3,281.39x = 4,527.61 × 1,955.53
  4. Step 4: Simplify right side
    3,281.39x = 8,853,860.98
  5. Step 5: Solve for x
    x = 8,853,860.98/3,281.39
  6. Step 6: Final answer
    x = 2,698.21

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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.