Home / 2,632.23-3,949.26-1,172.40

Finding the Fourth Proportional to 2,632.23, 3,949.26 and 1,172.40

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Solution

The fourth proportional to 2,632.23, 3,949.26 and 1,172.40 is: 1,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.23 : 3,949.26 = 1,172.40 : x
  2. Step 2: Convert to fraction form
    2,632.23/3,949.26 = 1,172.40/x
  3. Step 3: Cross multiply
    2,632.23x = 3,949.26 × 1,172.40
  4. Step 4: Simplify right side
    2,632.23x = 4,630,112.42
  5. Step 5: Solve for x
    x = 4,630,112.42/2,632.23
  6. Step 6: Final answer
    x = 1,759.01

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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.