Home / 2,772.40-4,158.60-2,284.24

Finding the Fourth Proportional to 2,772.40, 4,158.60 and 2,284.24

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Solution

The fourth proportional to 2,772.40, 4,158.60 and 2,284.24 is: 3,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.40 : 4,158.60 = 2,284.24 : x
  2. Step 2: Convert to fraction form
    2,772.40/4,158.60 = 2,284.24/x
  3. Step 3: Cross multiply
    2,772.40x = 4,158.60 × 2,284.24
  4. Step 4: Simplify right side
    2,772.40x = 9,499,240.46
  5. Step 5: Solve for x
    x = 9,499,240.46/2,772.40
  6. Step 6: Final answer
    x = 3,426.36

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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.