Home / 3,528.84-5,288.88-1,217.64

Finding the Fourth Proportional to 3,528.84, 5,288.88 and 1,217.64

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Solution

The fourth proportional to 3,528.84, 5,288.88 and 1,217.64 is: 1,824.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.84 : 5,288.88 = 1,217.64 : x
  2. Step 2: Convert to fraction form
    3,528.84/5,288.88 = 1,217.64/x
  3. Step 3: Cross multiply
    3,528.84x = 5,288.88 × 1,217.64
  4. Step 4: Simplify right side
    3,528.84x = 6,439,951.84
  5. Step 5: Solve for x
    x = 6,439,951.84/3,528.84
  6. Step 6: Final answer
    x = 1,824.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.