Home / 2,814.26-3,881.60-2,495.61

Finding the Fourth Proportional to 2,814.26, 3,881.60 and 2,495.61

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Solution

The fourth proportional to 2,814.26, 3,881.60 and 2,495.61 is: 3,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.26 : 3,881.60 = 2,495.61 : x
  2. Step 2: Convert to fraction form
    2,814.26/3,881.60 = 2,495.61/x
  3. Step 3: Cross multiply
    2,814.26x = 3,881.60 × 2,495.61
  4. Step 4: Simplify right side
    2,814.26x = 9,686,947.30
  5. Step 5: Solve for x
    x = 9,686,947.30/2,814.26
  6. Step 6: Final answer
    x = 3,442.10

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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.