Home / 2,947.11-4,420.72-2,359.38

Finding the Fourth Proportional to 2,947.11, 4,420.72 and 2,359.38

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Solution

The fourth proportional to 2,947.11, 4,420.72 and 2,359.38 is: 3,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.11 : 4,420.72 = 2,359.38 : x
  2. Step 2: Convert to fraction form
    2,947.11/4,420.72 = 2,359.38/x
  3. Step 3: Cross multiply
    2,947.11x = 4,420.72 × 2,359.38
  4. Step 4: Simplify right side
    2,947.11x = 10,430,152.46
  5. Step 5: Solve for x
    x = 10,430,152.46/2,947.11
  6. Step 6: Final answer
    x = 3,539.11

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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.