Home / 2,924.85-4,387.88-977.07

Finding the Fourth Proportional to 2,924.85, 4,387.88 and 977.07

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Solution

The fourth proportional to 2,924.85, 4,387.88 and 977.07 is: 1,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.85 : 4,387.88 = 977.07 : x
  2. Step 2: Convert to fraction form
    2,924.85/4,387.88 = 977.07/x
  3. Step 3: Cross multiply
    2,924.85x = 4,387.88 × 977.07
  4. Step 4: Simplify right side
    2,924.85x = 4,287,265.91
  5. Step 5: Solve for x
    x = 4,287,265.91/2,924.85
  6. Step 6: Final answer
    x = 1,465.81

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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.