Home / 1,597.38-2,202.30-1,219.92

Finding the Fourth Proportional to 1,597.38, 2,202.30 and 1,219.92

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Solution

The fourth proportional to 1,597.38, 2,202.30 and 1,219.92 is: 1,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.38 : 2,202.30 = 1,219.92 : x
  2. Step 2: Convert to fraction form
    1,597.38/2,202.30 = 1,219.92/x
  3. Step 3: Cross multiply
    1,597.38x = 2,202.30 × 1,219.92
  4. Step 4: Simplify right side
    1,597.38x = 2,686,629.82
  5. Step 5: Solve for x
    x = 2,686,629.82/1,597.38
  6. Step 6: Final answer
    x = 1,681.90

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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.