Home / 3,390.32-5,085.63-1,199.27

Finding the Fourth Proportional to 3,390.32, 5,085.63 and 1,199.27

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Solution

The fourth proportional to 3,390.32, 5,085.63 and 1,199.27 is: 1,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.32 : 5,085.63 = 1,199.27 : x
  2. Step 2: Convert to fraction form
    3,390.32/5,085.63 = 1,199.27/x
  3. Step 3: Cross multiply
    3,390.32x = 5,085.63 × 1,199.27
  4. Step 4: Simplify right side
    3,390.32x = 6,099,056.20
  5. Step 5: Solve for x
    x = 6,099,056.20/3,390.32
  6. Step 6: Final answer
    x = 1,798.96

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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.