Home / 3,557.30-5,339.70-1,998.63

Finding the Fourth Proportional to 3,557.30, 5,339.70 and 1,998.63

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Solution

The fourth proportional to 3,557.30, 5,339.70 and 1,998.63 is: 3,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.30 : 5,339.70 = 1,998.63 : x
  2. Step 2: Convert to fraction form
    3,557.30/5,339.70 = 1,998.63/x
  3. Step 3: Cross multiply
    3,557.30x = 5,339.70 × 1,998.63
  4. Step 4: Simplify right side
    3,557.30x = 10,672,084.61
  5. Step 5: Solve for x
    x = 10,672,084.61/3,557.30
  6. Step 6: Final answer
    x = 3,000.06

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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.