Home / 3,148.88-4,345.45-1,822.65

Finding the Fourth Proportional to 3,148.88, 4,345.45 and 1,822.65

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Solution

The fourth proportional to 3,148.88, 4,345.45 and 1,822.65 is: 2,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.88 : 4,345.45 = 1,822.65 : x
  2. Step 2: Convert to fraction form
    3,148.88/4,345.45 = 1,822.65/x
  3. Step 3: Cross multiply
    3,148.88x = 4,345.45 × 1,822.65
  4. Step 4: Simplify right side
    3,148.88x = 7,920,238.03
  5. Step 5: Solve for x
    x = 7,920,238.03/3,148.88
  6. Step 6: Final answer
    x = 2,515.26

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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.