Home / 1,450.08-2,164.86-1,231.44

Finding the Fourth Proportional to 1,450.08, 2,164.86 and 1,231.44

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Solution

The fourth proportional to 1,450.08, 2,164.86 and 1,231.44 is: 1,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.08 : 2,164.86 = 1,231.44 : x
  2. Step 2: Convert to fraction form
    1,450.08/2,164.86 = 1,231.44/x
  3. Step 3: Cross multiply
    1,450.08x = 2,164.86 × 1,231.44
  4. Step 4: Simplify right side
    1,450.08x = 2,665,895.20
  5. Step 5: Solve for x
    x = 2,665,895.20/1,450.08
  6. Step 6: Final answer
    x = 1,838.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.