Home / 2,518.32-3,475.92-1,679.28

Finding the Fourth Proportional to 2,518.32, 3,475.92 and 1,679.28

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Solution

The fourth proportional to 2,518.32, 3,475.92 and 1,679.28 is: 2,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.32 : 3,475.92 = 1,679.28 : x
  2. Step 2: Convert to fraction form
    2,518.32/3,475.92 = 1,679.28/x
  3. Step 3: Cross multiply
    2,518.32x = 3,475.92 × 1,679.28
  4. Step 4: Simplify right side
    2,518.32x = 5,837,042.94
  5. Step 5: Solve for x
    x = 5,837,042.94/2,518.32
  6. Step 6: Final answer
    x = 2,317.83

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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.