Home / 2,924.12-4,386.78-976.34

Finding the Fourth Proportional to 2,924.12, 4,386.78 and 976.34

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Solution

The fourth proportional to 2,924.12, 4,386.78 and 976.34 is: 1,464.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.12 : 4,386.78 = 976.34 : x
  2. Step 2: Convert to fraction form
    2,924.12/4,386.78 = 976.34/x
  3. Step 3: Cross multiply
    2,924.12x = 4,386.78 × 976.34
  4. Step 4: Simplify right side
    2,924.12x = 4,282,988.79
  5. Step 5: Solve for x
    x = 4,282,988.79/2,924.12
  6. Step 6: Final answer
    x = 1,464.71

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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.