Home / 3,800.08-5,690.40-3,707.20

Finding the Fourth Proportional to 3,800.08, 5,690.40 and 3,707.20

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Solution

The fourth proportional to 3,800.08, 5,690.40 and 3,707.20 is: 5,551.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.08 : 5,690.40 = 3,707.20 : x
  2. Step 2: Convert to fraction form
    3,800.08/5,690.40 = 3,707.20/x
  3. Step 3: Cross multiply
    3,800.08x = 5,690.40 × 3,707.20
  4. Step 4: Simplify right side
    3,800.08x = 21,095,450.88
  5. Step 5: Solve for x
    x = 21,095,450.88/3,800.08
  6. Step 6: Final answer
    x = 5,551.32

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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.