Home / 2,078.25-3,117.40-597.52

Finding the Fourth Proportional to 2,078.25, 3,117.40 and 597.52

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Solution

The fourth proportional to 2,078.25, 3,117.40 and 597.52 is: 896.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078.25 : 3,117.40 = 597.52 : x
  2. Step 2: Convert to fraction form
    2,078.25/3,117.40 = 597.52/x
  3. Step 3: Cross multiply
    2,078.25x = 3,117.40 × 597.52
  4. Step 4: Simplify right side
    2,078.25x = 1,862,699.56
  5. Step 5: Solve for x
    x = 1,862,699.56/2,078.25
  6. Step 6: Final answer
    x = 896.28

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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.