Home / 2,453.80-3,381.60-1,895.98

Finding the Fourth Proportional to 2,453.80, 3,381.60 and 1,895.98

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Solution

The fourth proportional to 2,453.80, 3,381.60 and 1,895.98 is: 2,612.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.80 : 3,381.60 = 1,895.98 : x
  2. Step 2: Convert to fraction form
    2,453.80/3,381.60 = 1,895.98/x
  3. Step 3: Cross multiply
    2,453.80x = 3,381.60 × 1,895.98
  4. Step 4: Simplify right side
    2,453.80x = 6,411,445.97
  5. Step 5: Solve for x
    x = 6,411,445.97/2,453.80
  6. Step 6: Final answer
    x = 2,612.86

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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.