Home / 3,523.37-5,285.10-1,331.51

Finding the Fourth Proportional to 3,523.37, 5,285.10 and 1,331.51

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Solution

The fourth proportional to 3,523.37, 5,285.10 and 1,331.51 is: 1,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.37 : 5,285.10 = 1,331.51 : x
  2. Step 2: Convert to fraction form
    3,523.37/5,285.10 = 1,331.51/x
  3. Step 3: Cross multiply
    3,523.37x = 5,285.10 × 1,331.51
  4. Step 4: Simplify right side
    3,523.37x = 7,037,134.58
  5. Step 5: Solve for x
    x = 7,037,134.58/3,523.37
  6. Step 6: Final answer
    x = 1,997.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.