Home / 3,518.18-4,857.30-2,259.74

Finding the Fourth Proportional to 3,518.18, 4,857.30 and 2,259.74

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Solution

The fourth proportional to 3,518.18, 4,857.30 and 2,259.74 is: 3,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.18 : 4,857.30 = 2,259.74 : x
  2. Step 2: Convert to fraction form
    3,518.18/4,857.30 = 2,259.74/x
  3. Step 3: Cross multiply
    3,518.18x = 4,857.30 × 2,259.74
  4. Step 4: Simplify right side
    3,518.18x = 10,976,247.25
  5. Step 5: Solve for x
    x = 10,976,247.25/3,518.18
  6. Step 6: Final answer
    x = 3,119.87

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Half scale
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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.