Home / 1,727.08-2,591.75-947.63

Finding the Fourth Proportional to 1,727.08, 2,591.75 and 947.63

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Solution

The fourth proportional to 1,727.08, 2,591.75 and 947.63 is: 1,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.08 : 2,591.75 = 947.63 : x
  2. Step 2: Convert to fraction form
    1,727.08/2,591.75 = 947.63/x
  3. Step 3: Cross multiply
    1,727.08x = 2,591.75 × 947.63
  4. Step 4: Simplify right side
    1,727.08x = 2,456,002.36
  5. Step 5: Solve for x
    x = 2,456,002.36/1,727.08
  6. Step 6: Final answer
    x = 1,422.06

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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.