Home / 2,257.66-3,386.90-1,935.28

Finding the Fourth Proportional to 2,257.66, 3,386.90 and 1,935.28

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Solution

The fourth proportional to 2,257.66, 3,386.90 and 1,935.28 is: 2,903.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.66 : 3,386.90 = 1,935.28 : x
  2. Step 2: Convert to fraction form
    2,257.66/3,386.90 = 1,935.28/x
  3. Step 3: Cross multiply
    2,257.66x = 3,386.90 × 1,935.28
  4. Step 4: Simplify right side
    2,257.66x = 6,554,599.83
  5. Step 5: Solve for x
    x = 6,554,599.83/2,257.66
  6. Step 6: Final answer
    x = 2,903.27

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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.