Home / 2,724.36-4,085.30-1,903

Finding the Fourth Proportional to 2,724.36, 4,085.30 and 1,903

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Solution

The fourth proportional to 2,724.36, 4,085.30 and 1,903 is: 2,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.36 : 4,085.30 = 1,903 : x
  2. Step 2: Convert to fraction form
    2,724.36/4,085.30 = 1,903/x
  3. Step 3: Cross multiply
    2,724.36x = 4,085.30 × 1,903
  4. Step 4: Simplify right side
    2,724.36x = 7,774,325.90
  5. Step 5: Solve for x
    x = 7,774,325.90/2,724.36
  6. Step 6: Final answer
    x = 2,853.63

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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.