Home / 3,015.15-4,519.25-1,165.45

Finding the Fourth Proportional to 3,015.15, 4,519.25 and 1,165.45

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Solution

The fourth proportional to 3,015.15, 4,519.25 and 1,165.45 is: 1,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.15 : 4,519.25 = 1,165.45 : x
  2. Step 2: Convert to fraction form
    3,015.15/4,519.25 = 1,165.45/x
  3. Step 3: Cross multiply
    3,015.15x = 4,519.25 × 1,165.45
  4. Step 4: Simplify right side
    3,015.15x = 5,266,959.91
  5. Step 5: Solve for x
    x = 5,266,959.91/3,015.15
  6. Step 6: Final answer
    x = 1,746.83

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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.