Home / 2,924.45-4,387.11-976.19

Finding the Fourth Proportional to 2,924.45, 4,387.11 and 976.19

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Solution

The fourth proportional to 2,924.45, 4,387.11 and 976.19 is: 1,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.45 : 4,387.11 = 976.19 : x
  2. Step 2: Convert to fraction form
    2,924.45/4,387.11 = 976.19/x
  3. Step 3: Cross multiply
    2,924.45x = 4,387.11 × 976.19
  4. Step 4: Simplify right side
    2,924.45x = 4,282,652.91
  5. Step 5: Solve for x
    x = 4,282,652.91/2,924.45
  6. Step 6: Final answer
    x = 1,464.43

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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.