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Finding the Fourth Proportional to 2,446.81, 3,670.82 and 1,214.80

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Solution

The fourth proportional to 2,446.81, 3,670.82 and 1,214.80 is: 1,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.81 : 3,670.82 = 1,214.80 : x
  2. Step 2: Convert to fraction form
    2,446.81/3,670.82 = 1,214.80/x
  3. Step 3: Cross multiply
    2,446.81x = 3,670.82 × 1,214.80
  4. Step 4: Simplify right side
    2,446.81x = 4,459,312.14
  5. Step 5: Solve for x
    x = 4,459,312.14/2,446.81
  6. Step 6: Final answer
    x = 1,822.50

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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.