Home / 1,485.73-2,227.38-1,160.11

Finding the Fourth Proportional to 1,485.73, 2,227.38 and 1,160.11

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Solution

The fourth proportional to 1,485.73, 2,227.38 and 1,160.11 is: 1,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.73 : 2,227.38 = 1,160.11 : x
  2. Step 2: Convert to fraction form
    1,485.73/2,227.38 = 1,160.11/x
  3. Step 3: Cross multiply
    1,485.73x = 2,227.38 × 1,160.11
  4. Step 4: Simplify right side
    1,485.73x = 2,584,005.81
  5. Step 5: Solve for x
    x = 2,584,005.81/1,485.73
  6. Step 6: Final answer
    x = 1,739.22

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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.