Home / 2,553.12-3,522.29-1,608.66

Finding the Fourth Proportional to 2,553.12, 3,522.29 and 1,608.66

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Solution

The fourth proportional to 2,553.12, 3,522.29 and 1,608.66 is: 2,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.12 : 3,522.29 = 1,608.66 : x
  2. Step 2: Convert to fraction form
    2,553.12/3,522.29 = 1,608.66/x
  3. Step 3: Cross multiply
    2,553.12x = 3,522.29 × 1,608.66
  4. Step 4: Simplify right side
    2,553.12x = 5,666,158.99
  5. Step 5: Solve for x
    x = 5,666,158.99/2,553.12
  6. Step 6: Final answer
    x = 2,219.31

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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.