Home / 3,674.99-5,485.53-3,158.30

Finding the Fourth Proportional to 3,674.99, 5,485.53 and 3,158.30

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Solution

The fourth proportional to 3,674.99, 5,485.53 and 3,158.30 is: 4,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.99 : 5,485.53 = 3,158.30 : x
  2. Step 2: Convert to fraction form
    3,674.99/5,485.53 = 3,158.30/x
  3. Step 3: Cross multiply
    3,674.99x = 5,485.53 × 3,158.30
  4. Step 4: Simplify right side
    3,674.99x = 17,324,921.97
  5. Step 5: Solve for x
    x = 17,324,921.97/3,674.99
  6. Step 6: Final answer
    x = 4,714.28

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.