Home / 3,417.26-4,707.72-2,815.83

Finding the Fourth Proportional to 3,417.26, 4,707.72 and 2,815.83

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Solution

The fourth proportional to 3,417.26, 4,707.72 and 2,815.83 is: 3,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.26 : 4,707.72 = 2,815.83 : x
  2. Step 2: Convert to fraction form
    3,417.26/4,707.72 = 2,815.83/x
  3. Step 3: Cross multiply
    3,417.26x = 4,707.72 × 2,815.83
  4. Step 4: Simplify right side
    3,417.26x = 13,256,139.21
  5. Step 5: Solve for x
    x = 13,256,139.21/3,417.26
  6. Step 6: Final answer
    x = 3,879.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.