Home / 3,011.24-4,511.28-1,551.28

Finding the Fourth Proportional to 3,011.24, 4,511.28 and 1,551.28

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Solution

The fourth proportional to 3,011.24, 4,511.28 and 1,551.28 is: 2,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.24 : 4,511.28 = 1,551.28 : x
  2. Step 2: Convert to fraction form
    3,011.24/4,511.28 = 1,551.28/x
  3. Step 3: Cross multiply
    3,011.24x = 4,511.28 × 1,551.28
  4. Step 4: Simplify right side
    3,011.24x = 6,998,258.44
  5. Step 5: Solve for x
    x = 6,998,258.44/3,011.24
  6. Step 6: Final answer
    x = 2,324.05

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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.