Home / 3,403.31-5,106.58-1,553.47

Finding the Fourth Proportional to 3,403.31, 5,106.58 and 1,553.47

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Solution

The fourth proportional to 3,403.31, 5,106.58 and 1,553.47 is: 2,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.31 : 5,106.58 = 1,553.47 : x
  2. Step 2: Convert to fraction form
    3,403.31/5,106.58 = 1,553.47/x
  3. Step 3: Cross multiply
    3,403.31x = 5,106.58 × 1,553.47
  4. Step 4: Simplify right side
    3,403.31x = 7,932,902.18
  5. Step 5: Solve for x
    x = 7,932,902.18/3,403.31
  6. Step 6: Final answer
    x = 2,330.94

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1.5x scale

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.