Home / 1,724.32-2,379.34-1,093.74

Finding the Fourth Proportional to 1,724.32, 2,379.34 and 1,093.74

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Solution

The fourth proportional to 1,724.32, 2,379.34 and 1,093.74 is: 1,509.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.32 : 2,379.34 = 1,093.74 : x
  2. Step 2: Convert to fraction form
    1,724.32/2,379.34 = 1,093.74/x
  3. Step 3: Cross multiply
    1,724.32x = 2,379.34 × 1,093.74
  4. Step 4: Simplify right side
    1,724.32x = 2,602,371.78
  5. Step 5: Solve for x
    x = 2,602,371.78/1,724.32
  6. Step 6: Final answer
    x = 1,509.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.