Home / 3,055.44-4,216.50-1,658.19

Finding the Fourth Proportional to 3,055.44, 4,216.50 and 1,658.19

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Solution

The fourth proportional to 3,055.44, 4,216.50 and 1,658.19 is: 2,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.44 : 4,216.50 = 1,658.19 : x
  2. Step 2: Convert to fraction form
    3,055.44/4,216.50 = 1,658.19/x
  3. Step 3: Cross multiply
    3,055.44x = 4,216.50 × 1,658.19
  4. Step 4: Simplify right side
    3,055.44x = 6,991,758.14
  5. Step 5: Solve for x
    x = 6,991,758.14/3,055.44
  6. Step 6: Final answer
    x = 2,288.30

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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.