Home / 3,165.38-4,746.99-1,218.26

Finding the Fourth Proportional to 3,165.38, 4,746.99 and 1,218.26

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Solution

The fourth proportional to 3,165.38, 4,746.99 and 1,218.26 is: 1,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.38 : 4,746.99 = 1,218.26 : x
  2. Step 2: Convert to fraction form
    3,165.38/4,746.99 = 1,218.26/x
  3. Step 3: Cross multiply
    3,165.38x = 4,746.99 × 1,218.26
  4. Step 4: Simplify right side
    3,165.38x = 5,783,068.04
  5. Step 5: Solve for x
    x = 5,783,068.04/3,165.38
  6. Step 6: Final answer
    x = 1,826.97

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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.