Home / 1,463.37-2,020.19-1,131.05

Finding the Fourth Proportional to 1,463.37, 2,020.19 and 1,131.05

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Solution

The fourth proportional to 1,463.37, 2,020.19 and 1,131.05 is: 1,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.37 : 2,020.19 = 1,131.05 : x
  2. Step 2: Convert to fraction form
    1,463.37/2,020.19 = 1,131.05/x
  3. Step 3: Cross multiply
    1,463.37x = 2,020.19 × 1,131.05
  4. Step 4: Simplify right side
    1,463.37x = 2,284,920.14
  5. Step 5: Solve for x
    x = 2,284,920.14/1,463.37
  6. Step 6: Final answer
    x = 1,561.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.