Home / 2,382.93-3,574.31-1,415.21

Finding the Fourth Proportional to 2,382.93, 3,574.31 and 1,415.21

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Solution

The fourth proportional to 2,382.93, 3,574.31 and 1,415.21 is: 2,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.93 : 3,574.31 = 1,415.21 : x
  2. Step 2: Convert to fraction form
    2,382.93/3,574.31 = 1,415.21/x
  3. Step 3: Cross multiply
    2,382.93x = 3,574.31 × 1,415.21
  4. Step 4: Simplify right side
    2,382.93x = 5,058,374.31
  5. Step 5: Solve for x
    x = 5,058,374.31/2,382.93
  6. Step 6: Final answer
    x = 2,122.75

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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.