Home / 3,521.37-5,291.63-3,319.99

Finding the Fourth Proportional to 3,521.37, 5,291.63 and 3,319.99

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Solution

The fourth proportional to 3,521.37, 5,291.63 and 3,319.99 is: 4,989.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.37 : 5,291.63 = 3,319.99 : x
  2. Step 2: Convert to fraction form
    3,521.37/5,291.63 = 3,319.99/x
  3. Step 3: Cross multiply
    3,521.37x = 5,291.63 × 3,319.99
  4. Step 4: Simplify right side
    3,521.37x = 17,568,141.30
  5. Step 5: Solve for x
    x = 17,568,141.30/3,521.37
  6. Step 6: Final answer
    x = 4,989.00

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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.