Home / 1,025.59-1,415.38-583.54

Finding the Fourth Proportional to 1,025.59, 1,415.38 and 583.54

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Solution

The fourth proportional to 1,025.59, 1,415.38 and 583.54 is: 805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.59 : 1,415.38 = 583.54 : x
  2. Step 2: Convert to fraction form
    1,025.59/1,415.38 = 583.54/x
  3. Step 3: Cross multiply
    1,025.59x = 1,415.38 × 583.54
  4. Step 4: Simplify right side
    1,025.59x = 825,930.85
  5. Step 5: Solve for x
    x = 825,930.85/1,025.59
  6. Step 6: Final answer
    x = 805.32

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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.