Home / 2,947.32-4,415.10-1,711.08

Finding the Fourth Proportional to 2,947.32, 4,415.10 and 1,711.08

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Solution

The fourth proportional to 2,947.32, 4,415.10 and 1,711.08 is: 2,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.32 : 4,415.10 = 1,711.08 : x
  2. Step 2: Convert to fraction form
    2,947.32/4,415.10 = 1,711.08/x
  3. Step 3: Cross multiply
    2,947.32x = 4,415.10 × 1,711.08
  4. Step 4: Simplify right side
    2,947.32x = 7,554,589.31
  5. Step 5: Solve for x
    x = 7,554,589.31/2,947.32
  6. Step 6: Final answer
    x = 2,563.21

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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.