Home / 1,731.27-2,597.28-561.39

Finding the Fourth Proportional to 1,731.27, 2,597.28 and 561.39

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Solution

The fourth proportional to 1,731.27, 2,597.28 and 561.39 is: 842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.27 : 2,597.28 = 561.39 : x
  2. Step 2: Convert to fraction form
    1,731.27/2,597.28 = 561.39/x
  3. Step 3: Cross multiply
    1,731.27x = 2,597.28 × 561.39
  4. Step 4: Simplify right side
    1,731.27x = 1,458,078.33
  5. Step 5: Solve for x
    x = 1,458,078.33/1,731.27
  6. Step 6: Final answer
    x = 842.20

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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.