Home / 3,628.16-5,442.63-1,162.10

Finding the Fourth Proportional to 3,628.16, 5,442.63 and 1,162.10

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Solution

The fourth proportional to 3,628.16, 5,442.63 and 1,162.10 is: 1,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.16 : 5,442.63 = 1,162.10 : x
  2. Step 2: Convert to fraction form
    3,628.16/5,442.63 = 1,162.10/x
  3. Step 3: Cross multiply
    3,628.16x = 5,442.63 × 1,162.10
  4. Step 4: Simplify right side
    3,628.16x = 6,324,880.32
  5. Step 5: Solve for x
    x = 6,324,880.32/3,628.16
  6. Step 6: Final answer
    x = 1,743.27

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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.