Home / 3,515.72-4,853.94-2,470.28

Finding the Fourth Proportional to 3,515.72, 4,853.94 and 2,470.28

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Solution

The fourth proportional to 3,515.72, 4,853.94 and 2,470.28 is: 3,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.72 : 4,853.94 = 2,470.28 : x
  2. Step 2: Convert to fraction form
    3,515.72/4,853.94 = 2,470.28/x
  3. Step 3: Cross multiply
    3,515.72x = 4,853.94 × 2,470.28
  4. Step 4: Simplify right side
    3,515.72x = 11,990,590.90
  5. Step 5: Solve for x
    x = 11,990,590.90/3,515.72
  6. Step 6: Final answer
    x = 3,410.56

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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.