Home / 3,405.30-5,107.45-1,064.76

Finding the Fourth Proportional to 3,405.30, 5,107.45 and 1,064.76

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Solution

The fourth proportional to 3,405.30, 5,107.45 and 1,064.76 is: 1,596.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.30 : 5,107.45 = 1,064.76 : x
  2. Step 2: Convert to fraction form
    3,405.30/5,107.45 = 1,064.76/x
  3. Step 3: Cross multiply
    3,405.30x = 5,107.45 × 1,064.76
  4. Step 4: Simplify right side
    3,405.30x = 5,438,208.46
  5. Step 5: Solve for x
    x = 5,438,208.46/3,405.30
  6. Step 6: Final answer
    x = 1,596.98

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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.