Home / 1,485.65-2,228.48-1,022.03

Finding the Fourth Proportional to 1,485.65, 2,228.48 and 1,022.03

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Solution

The fourth proportional to 1,485.65, 2,228.48 and 1,022.03 is: 1,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.65 : 2,228.48 = 1,022.03 : x
  2. Step 2: Convert to fraction form
    1,485.65/2,228.48 = 1,022.03/x
  3. Step 3: Cross multiply
    1,485.65x = 2,228.48 × 1,022.03
  4. Step 4: Simplify right side
    1,485.65x = 2,277,573.41
  5. Step 5: Solve for x
    x = 2,277,573.41/1,485.65
  6. Step 6: Final answer
    x = 1,533.05

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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.