Home / 1,814.34-2,487.48-1,781.53

Finding the Fourth Proportional to 1,814.34, 2,487.48 and 1,781.53

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Solution

The fourth proportional to 1,814.34, 2,487.48 and 1,781.53 is: 2,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.34 : 2,487.48 = 1,781.53 : x
  2. Step 2: Convert to fraction form
    1,814.34/2,487.48 = 1,781.53/x
  3. Step 3: Cross multiply
    1,814.34x = 2,487.48 × 1,781.53
  4. Step 4: Simplify right side
    1,814.34x = 4,431,511.34
  5. Step 5: Solve for x
    x = 4,431,511.34/1,814.34
  6. Step 6: Final answer
    x = 2,442.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.