Home / 3,727.25-5,590.81-953.90

Finding the Fourth Proportional to 3,727.25, 5,590.81 and 953.90

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Solution

The fourth proportional to 3,727.25, 5,590.81 and 953.90 is: 1,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.25 : 5,590.81 = 953.90 : x
  2. Step 2: Convert to fraction form
    3,727.25/5,590.81 = 953.90/x
  3. Step 3: Cross multiply
    3,727.25x = 5,590.81 × 953.90
  4. Step 4: Simplify right side
    3,727.25x = 5,333,045.70
  5. Step 5: Solve for x
    x = 5,333,045.70/3,727.25
  6. Step 6: Final answer
    x = 1,430.83

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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.