Home / 1,485.82-2,228.73-966.25

Finding the Fourth Proportional to 1,485.82, 2,228.73 and 966.25

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Solution

The fourth proportional to 1,485.82, 2,228.73 and 966.25 is: 1,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.82 : 2,228.73 = 966.25 : x
  2. Step 2: Convert to fraction form
    1,485.82/2,228.73 = 966.25/x
  3. Step 3: Cross multiply
    1,485.82x = 2,228.73 × 966.25
  4. Step 4: Simplify right side
    1,485.82x = 2,153,510.36
  5. Step 5: Solve for x
    x = 2,153,510.36/1,485.82
  6. Step 6: Final answer
    x = 1,449.38

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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.