Home / 2,628.16-3,943.62-1,703.48

Finding the Fourth Proportional to 2,628.16, 3,943.62 and 1,703.48

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Solution

The fourth proportional to 2,628.16, 3,943.62 and 1,703.48 is: 2,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.16 : 3,943.62 = 1,703.48 : x
  2. Step 2: Convert to fraction form
    2,628.16/3,943.62 = 1,703.48/x
  3. Step 3: Cross multiply
    2,628.16x = 3,943.62 × 1,703.48
  4. Step 4: Simplify right side
    2,628.16x = 6,717,877.80
  5. Step 5: Solve for x
    x = 6,717,877.80/2,628.16
  6. Step 6: Final answer
    x = 2,556.11

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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.