Home / 3,006.35-4,507.40-1,155.90

Finding the Fourth Proportional to 3,006.35, 4,507.40 and 1,155.90

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Solution

The fourth proportional to 3,006.35, 4,507.40 and 1,155.90 is: 1,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.35 : 4,507.40 = 1,155.90 : x
  2. Step 2: Convert to fraction form
    3,006.35/4,507.40 = 1,155.90/x
  3. Step 3: Cross multiply
    3,006.35x = 4,507.40 × 1,155.90
  4. Step 4: Simplify right side
    3,006.35x = 5,210,097.88
  5. Step 5: Solve for x
    x = 5,210,097.88/3,006.35
  6. Step 6: Final answer
    x = 1,733.03

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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.