Home / 2,318.10-3,477.15-1,994.10

Finding the Fourth Proportional to 2,318.10, 3,477.15 and 1,994.10

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Solution

The fourth proportional to 2,318.10, 3,477.15 and 1,994.10 is: 2,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.10 : 3,477.15 = 1,994.10 : x
  2. Step 2: Convert to fraction form
    2,318.10/3,477.15 = 1,994.10/x
  3. Step 3: Cross multiply
    2,318.10x = 3,477.15 × 1,994.10
  4. Step 4: Simplify right side
    2,318.10x = 6,933,784.82
  5. Step 5: Solve for x
    x = 6,933,784.82/2,318.10
  6. Step 6: Final answer
    x = 2,991.15

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Double scale
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Similar ratio
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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.