Home / 1,884.85-2,601.57-1,213.11

Finding the Fourth Proportional to 1,884.85, 2,601.57 and 1,213.11

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Solution

The fourth proportional to 1,884.85, 2,601.57 and 1,213.11 is: 1,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.85 : 2,601.57 = 1,213.11 : x
  2. Step 2: Convert to fraction form
    1,884.85/2,601.57 = 1,213.11/x
  3. Step 3: Cross multiply
    1,884.85x = 2,601.57 × 1,213.11
  4. Step 4: Simplify right side
    1,884.85x = 3,155,990.58
  5. Step 5: Solve for x
    x = 3,155,990.58/1,884.85
  6. Step 6: Final answer
    x = 1,674.40

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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.