Home / 3,359.05-5,037.18-1,603.78

Finding the Fourth Proportional to 3,359.05, 5,037.18 and 1,603.78

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Solution

The fourth proportional to 3,359.05, 5,037.18 and 1,603.78 is: 2,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.05 : 5,037.18 = 1,603.78 : x
  2. Step 2: Convert to fraction form
    3,359.05/5,037.18 = 1,603.78/x
  3. Step 3: Cross multiply
    3,359.05x = 5,037.18 × 1,603.78
  4. Step 4: Simplify right side
    3,359.05x = 8,078,528.54
  5. Step 5: Solve for x
    x = 8,078,528.54/3,359.05
  6. Step 6: Final answer
    x = 2,405.00

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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.