Home / 3,491.45-4,816.36-2,650.76

Finding the Fourth Proportional to 3,491.45, 4,816.36 and 2,650.76

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Solution

The fourth proportional to 3,491.45, 4,816.36 and 2,650.76 is: 3,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.45 : 4,816.36 = 2,650.76 : x
  2. Step 2: Convert to fraction form
    3,491.45/4,816.36 = 2,650.76/x
  3. Step 3: Cross multiply
    3,491.45x = 4,816.36 × 2,650.76
  4. Step 4: Simplify right side
    3,491.45x = 12,767,014.43
  5. Step 5: Solve for x
    x = 12,767,014.43/3,491.45
  6. Step 6: Final answer
    x = 3,656.65

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Half scale
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Double 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.