Home / 3,623.38-5,435.90-1,158.45

Finding the Fourth Proportional to 3,623.38, 5,435.90 and 1,158.45

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Solution

The fourth proportional to 3,623.38, 5,435.90 and 1,158.45 is: 1,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.38 : 5,435.90 = 1,158.45 : x
  2. Step 2: Convert to fraction form
    3,623.38/5,435.90 = 1,158.45/x
  3. Step 3: Cross multiply
    3,623.38x = 5,435.90 × 1,158.45
  4. Step 4: Simplify right side
    3,623.38x = 6,297,191.18
  5. Step 5: Solve for x
    x = 6,297,191.18/3,623.38
  6. Step 6: Final answer
    x = 1,737.94

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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.