Home / 3,327.45-4,991.69-1,247.16

Finding the Fourth Proportional to 3,327.45, 4,991.69 and 1,247.16

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Solution

The fourth proportional to 3,327.45, 4,991.69 and 1,247.16 is: 1,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.45 : 4,991.69 = 1,247.16 : x
  2. Step 2: Convert to fraction form
    3,327.45/4,991.69 = 1,247.16/x
  3. Step 3: Cross multiply
    3,327.45x = 4,991.69 × 1,247.16
  4. Step 4: Simplify right side
    3,327.45x = 6,225,457.94
  5. Step 5: Solve for x
    x = 6,225,457.94/3,327.45
  6. Step 6: Final answer
    x = 1,870.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.