Home / 3,037.05-4,555.58-845.78

Finding the Fourth Proportional to 3,037.05, 4,555.58 and 845.78

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Solution

The fourth proportional to 3,037.05, 4,555.58 and 845.78 is: 1,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.05 : 4,555.58 = 845.78 : x
  2. Step 2: Convert to fraction form
    3,037.05/4,555.58 = 845.78/x
  3. Step 3: Cross multiply
    3,037.05x = 4,555.58 × 845.78
  4. Step 4: Simplify right side
    3,037.05x = 3,852,991.45
  5. Step 5: Solve for x
    x = 3,852,991.45/3,037.05
  6. Step 6: Final answer
    x = 1,268.66

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Double scale
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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.