Home / 2,952.20-4,428.37-977.82

Finding the Fourth Proportional to 2,952.20, 4,428.37 and 977.82

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Solution

The fourth proportional to 2,952.20, 4,428.37 and 977.82 is: 1,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.20 : 4,428.37 = 977.82 : x
  2. Step 2: Convert to fraction form
    2,952.20/4,428.37 = 977.82/x
  3. Step 3: Cross multiply
    2,952.20x = 4,428.37 × 977.82
  4. Step 4: Simplify right side
    2,952.20x = 4,330,158.28
  5. Step 5: Solve for x
    x = 4,330,158.28/2,952.20
  6. Step 6: Final answer
    x = 1,466.76

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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.