Home / 3,595.50-5,396.31-1,405.77

Finding the Fourth Proportional to 3,595.50, 5,396.31 and 1,405.77

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Solution

The fourth proportional to 3,595.50, 5,396.31 and 1,405.77 is: 2,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.50 : 5,396.31 = 1,405.77 : x
  2. Step 2: Convert to fraction form
    3,595.50/5,396.31 = 1,405.77/x
  3. Step 3: Cross multiply
    3,595.50x = 5,396.31 × 1,405.77
  4. Step 4: Simplify right side
    3,595.50x = 7,585,943.73
  5. Step 5: Solve for x
    x = 7,585,943.73/3,595.50
  6. Step 6: Final answer
    x = 2,109.85

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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.