Home / 3,737.16-5,605.56-1,139.76

Finding the Fourth Proportional to 3,737.16, 5,605.56 and 1,139.76

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Solution

The fourth proportional to 3,737.16, 5,605.56 and 1,139.76 is: 1,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.16 : 5,605.56 = 1,139.76 : x
  2. Step 2: Convert to fraction form
    3,737.16/5,605.56 = 1,139.76/x
  3. Step 3: Cross multiply
    3,737.16x = 5,605.56 × 1,139.76
  4. Step 4: Simplify right side
    3,737.16x = 6,388,993.07
  5. Step 5: Solve for x
    x = 6,388,993.07/3,737.16
  6. Step 6: Final answer
    x = 1,709.59

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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.