Home / 3,715.57-5,571.96-1,216.18

Finding the Fourth Proportional to 3,715.57, 5,571.96 and 1,216.18

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Solution

The fourth proportional to 3,715.57, 5,571.96 and 1,216.18 is: 1,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.57 : 5,571.96 = 1,216.18 : x
  2. Step 2: Convert to fraction form
    3,715.57/5,571.96 = 1,216.18/x
  3. Step 3: Cross multiply
    3,715.57x = 5,571.96 × 1,216.18
  4. Step 4: Simplify right side
    3,715.57x = 6,776,506.31
  5. Step 5: Solve for x
    x = 6,776,506.31/3,715.57
  6. Step 6: Final answer
    x = 1,823.81

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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.