Home / 3,523.77-5,280.19-1,331.30

Finding the Fourth Proportional to 3,523.77, 5,280.19 and 1,331.30

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Solution

The fourth proportional to 3,523.77, 5,280.19 and 1,331.30 is: 1,994.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.77 : 5,280.19 = 1,331.30 : x
  2. Step 2: Convert to fraction form
    3,523.77/5,280.19 = 1,331.30/x
  3. Step 3: Cross multiply
    3,523.77x = 5,280.19 × 1,331.30
  4. Step 4: Simplify right side
    3,523.77x = 7,029,526.82
  5. Step 5: Solve for x
    x = 7,029,526.82/3,523.77
  6. Step 6: Final answer
    x = 1,994.89

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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.