Home / 2,380.04-3,286.08-1,885.10

Finding the Fourth Proportional to 2,380.04, 3,286.08 and 1,885.10

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Solution

The fourth proportional to 2,380.04, 3,286.08 and 1,885.10 is: 2,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.04 : 3,286.08 = 1,885.10 : x
  2. Step 2: Convert to fraction form
    2,380.04/3,286.08 = 1,885.10/x
  3. Step 3: Cross multiply
    2,380.04x = 3,286.08 × 1,885.10
  4. Step 4: Simplify right side
    2,380.04x = 6,194,589.41
  5. Step 5: Solve for x
    x = 6,194,589.41/2,380.04
  6. Step 6: Final answer
    x = 2,602.72

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