Home / 3,548.32-5,320.38-1,207.48

Finding the Fourth Proportional to 3,548.32, 5,320.38 and 1,207.48

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Solution

The fourth proportional to 3,548.32, 5,320.38 and 1,207.48 is: 1,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.32 : 5,320.38 = 1,207.48 : x
  2. Step 2: Convert to fraction form
    3,548.32/5,320.38 = 1,207.48/x
  3. Step 3: Cross multiply
    3,548.32x = 5,320.38 × 1,207.48
  4. Step 4: Simplify right side
    3,548.32x = 6,424,252.44
  5. Step 5: Solve for x
    x = 6,424,252.44/3,548.32
  6. Step 6: Final answer
    x = 1,810.51

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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.