Home / 2,553.05-3,523.57-1,418.98

Finding the Fourth Proportional to 2,553.05, 3,523.57 and 1,418.98

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Solution

The fourth proportional to 2,553.05, 3,523.57 and 1,418.98 is: 1,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.05 : 3,523.57 = 1,418.98 : x
  2. Step 2: Convert to fraction form
    2,553.05/3,523.57 = 1,418.98/x
  3. Step 3: Cross multiply
    2,553.05x = 3,523.57 × 1,418.98
  4. Step 4: Simplify right side
    2,553.05x = 4,999,875.36
  5. Step 5: Solve for x
    x = 4,999,875.36/2,553.05
  6. Step 6: Final answer
    x = 1,958.39

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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.