Home / 1,731.35-2,597.63-1,081.32

Finding the Fourth Proportional to 1,731.35, 2,597.63 and 1,081.32

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Solution

The fourth proportional to 1,731.35, 2,597.63 and 1,081.32 is: 1,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.35 : 2,597.63 = 1,081.32 : x
  2. Step 2: Convert to fraction form
    1,731.35/2,597.63 = 1,081.32/x
  3. Step 3: Cross multiply
    1,731.35x = 2,597.63 × 1,081.32
  4. Step 4: Simplify right side
    1,731.35x = 2,808,863.87
  5. Step 5: Solve for x
    x = 2,808,863.87/1,731.35
  6. Step 6: Final answer
    x = 1,622.36

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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.