Home / 2,311.10-3,467.10-924.20

Finding the Fourth Proportional to 2,311.10, 3,467.10 and 924.20

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Solution

The fourth proportional to 2,311.10, 3,467.10 and 924.20 is: 1,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.10 : 3,467.10 = 924.20 : x
  2. Step 2: Convert to fraction form
    2,311.10/3,467.10 = 924.20/x
  3. Step 3: Cross multiply
    2,311.10x = 3,467.10 × 924.20
  4. Step 4: Simplify right side
    2,311.10x = 3,204,293.82
  5. Step 5: Solve for x
    x = 3,204,293.82/2,311.10
  6. Step 6: Final answer
    x = 1,386.48

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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.