Home / 3,737.05-5,155.55-2,164.57

Finding the Fourth Proportional to 3,737.05, 5,155.55 and 2,164.57

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Solution

The fourth proportional to 3,737.05, 5,155.55 and 2,164.57 is: 2,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.05 : 5,155.55 = 2,164.57 : x
  2. Step 2: Convert to fraction form
    3,737.05/5,155.55 = 2,164.57/x
  3. Step 3: Cross multiply
    3,737.05x = 5,155.55 × 2,164.57
  4. Step 4: Simplify right side
    3,737.05x = 11,159,538.04
  5. Step 5: Solve for x
    x = 11,159,538.04/3,737.05
  6. Step 6: Final answer
    x = 2,986.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.