Home / 3,438.83-5,156.92-1,247.03

Finding the Fourth Proportional to 3,438.83, 5,156.92 and 1,247.03

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Solution

The fourth proportional to 3,438.83, 5,156.92 and 1,247.03 is: 1,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.83 : 5,156.92 = 1,247.03 : x
  2. Step 2: Convert to fraction form
    3,438.83/5,156.92 = 1,247.03/x
  3. Step 3: Cross multiply
    3,438.83x = 5,156.92 × 1,247.03
  4. Step 4: Simplify right side
    3,438.83x = 6,430,833.95
  5. Step 5: Solve for x
    x = 6,430,833.95/3,438.83
  6. Step 6: Final answer
    x = 1,870.06

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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.