Home / 3,626.05-5,430.81-2,162.18

Finding the Fourth Proportional to 3,626.05, 5,430.81 and 2,162.18

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Solution

The fourth proportional to 3,626.05, 5,430.81 and 2,162.18 is: 3,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.05 : 5,430.81 = 2,162.18 : x
  2. Step 2: Convert to fraction form
    3,626.05/5,430.81 = 2,162.18/x
  3. Step 3: Cross multiply
    3,626.05x = 5,430.81 × 2,162.18
  4. Step 4: Simplify right side
    3,626.05x = 11,742,388.77
  5. Step 5: Solve for x
    x = 11,742,388.77/3,626.05
  6. Step 6: Final answer
    x = 3,238.34

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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.