Home / 2,257.65-3,386.57-1,087.35

Finding the Fourth Proportional to 2,257.65, 3,386.57 and 1,087.35

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Solution

The fourth proportional to 2,257.65, 3,386.57 and 1,087.35 is: 1,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.65 : 3,386.57 = 1,087.35 : x
  2. Step 2: Convert to fraction form
    2,257.65/3,386.57 = 1,087.35/x
  3. Step 3: Cross multiply
    2,257.65x = 3,386.57 × 1,087.35
  4. Step 4: Simplify right side
    2,257.65x = 3,682,381.45
  5. Step 5: Solve for x
    x = 3,682,381.45/2,257.65
  6. Step 6: Final answer
    x = 1,631.07

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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.