Home / 2,797.20-4,187.16-2,624.40

Finding the Fourth Proportional to 2,797.20, 4,187.16 and 2,624.40

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Solution

The fourth proportional to 2,797.20, 4,187.16 and 2,624.40 is: 3,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.20 : 4,187.16 = 2,624.40 : x
  2. Step 2: Convert to fraction form
    2,797.20/4,187.16 = 2,624.40/x
  3. Step 3: Cross multiply
    2,797.20x = 4,187.16 × 2,624.40
  4. Step 4: Simplify right side
    2,797.20x = 10,988,782.70
  5. Step 5: Solve for x
    x = 10,988,782.70/2,797.20
  6. Step 6: Final answer
    x = 3,928.49

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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.