Home / 3,055.45-4,216.53-1,658.20

Finding the Fourth Proportional to 3,055.45, 4,216.53 and 1,658.20

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Solution

The fourth proportional to 3,055.45, 4,216.53 and 1,658.20 is: 2,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.45 : 4,216.53 = 1,658.20 : x
  2. Step 2: Convert to fraction form
    3,055.45/4,216.53 = 1,658.20/x
  3. Step 3: Cross multiply
    3,055.45x = 4,216.53 × 1,658.20
  4. Step 4: Simplify right side
    3,055.45x = 6,991,850.05
  5. Step 5: Solve for x
    x = 6,991,850.05/3,055.45
  6. Step 6: Final answer
    x = 2,288.32

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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.