Home / 2,311.40-3,467.70-924.92

Finding the Fourth Proportional to 2,311.40, 3,467.70 and 924.92

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Solution

The fourth proportional to 2,311.40, 3,467.70 and 924.92 is: 1,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.40 : 3,467.70 = 924.92 : x
  2. Step 2: Convert to fraction form
    2,311.40/3,467.70 = 924.92/x
  3. Step 3: Cross multiply
    2,311.40x = 3,467.70 × 924.92
  4. Step 4: Simplify right side
    2,311.40x = 3,207,345.08
  5. Step 5: Solve for x
    x = 3,207,345.08/2,311.40
  6. Step 6: Final answer
    x = 1,387.62

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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.