Home / 2,553.29-3,523.68-1,558.28

Finding the Fourth Proportional to 2,553.29, 3,523.68 and 1,558.28

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Solution

The fourth proportional to 2,553.29, 3,523.68 and 1,558.28 is: 2,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.29 : 3,523.68 = 1,558.28 : x
  2. Step 2: Convert to fraction form
    2,553.29/3,523.68 = 1,558.28/x
  3. Step 3: Cross multiply
    2,553.29x = 3,523.68 × 1,558.28
  4. Step 4: Simplify right side
    2,553.29x = 5,490,880.07
  5. Step 5: Solve for x
    x = 5,490,880.07/2,553.29
  6. Step 6: Final answer
    x = 2,150.51

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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.