Home / 1,025.59-1,415.27-583.45

Finding the Fourth Proportional to 1,025.59, 1,415.27 and 583.45

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Solution

The fourth proportional to 1,025.59, 1,415.27 and 583.45 is: 805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.59 : 1,415.27 = 583.45 : x
  2. Step 2: Convert to fraction form
    1,025.59/1,415.27 = 583.45/x
  3. Step 3: Cross multiply
    1,025.59x = 1,415.27 × 583.45
  4. Step 4: Simplify right side
    1,025.59x = 825,736.36
  5. Step 5: Solve for x
    x = 825,736.36/1,025.59
  6. Step 6: Final answer
    x = 805.13

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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.