Home / 3,490.23-4,817.37-2,146.17

Finding the Fourth Proportional to 3,490.23, 4,817.37 and 2,146.17

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Solution

The fourth proportional to 3,490.23, 4,817.37 and 2,146.17 is: 2,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.23 : 4,817.37 = 2,146.17 : x
  2. Step 2: Convert to fraction form
    3,490.23/4,817.37 = 2,146.17/x
  3. Step 3: Cross multiply
    3,490.23x = 4,817.37 × 2,146.17
  4. Step 4: Simplify right side
    3,490.23x = 10,338,921.09
  5. Step 5: Solve for x
    x = 10,338,921.09/3,490.23
  6. Step 6: Final answer
    x = 2,962.24

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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.