Home / 1,830.72-2,525.44-1,202.28

Finding the Fourth Proportional to 1,830.72, 2,525.44 and 1,202.28

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Solution

The fourth proportional to 1,830.72, 2,525.44 and 1,202.28 is: 1,658.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.72 : 2,525.44 = 1,202.28 : x
  2. Step 2: Convert to fraction form
    1,830.72/2,525.44 = 1,202.28/x
  3. Step 3: Cross multiply
    1,830.72x = 2,525.44 × 1,202.28
  4. Step 4: Simplify right side
    1,830.72x = 3,036,286.00
  5. Step 5: Solve for x
    x = 3,036,286.00/1,830.72
  6. Step 6: Final answer
    x = 1,658.52

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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.