Home / 3,703.85-5,108.43-2,211.45

Finding the Fourth Proportional to 3,703.85, 5,108.43 and 2,211.45

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Solution

The fourth proportional to 3,703.85, 5,108.43 and 2,211.45 is: 3,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.85 : 5,108.43 = 2,211.45 : x
  2. Step 2: Convert to fraction form
    3,703.85/5,108.43 = 2,211.45/x
  3. Step 3: Cross multiply
    3,703.85x = 5,108.43 × 2,211.45
  4. Step 4: Simplify right side
    3,703.85x = 11,297,037.52
  5. Step 5: Solve for x
    x = 11,297,037.52/3,703.85
  6. Step 6: Final answer
    x = 3,050.08

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Half scale
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Double scale
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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.