Home / 1,945.04-2,683.58-1,199.12

Finding the Fourth Proportional to 1,945.04, 2,683.58 and 1,199.12

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Solution

The fourth proportional to 1,945.04, 2,683.58 and 1,199.12 is: 1,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.04 : 2,683.58 = 1,199.12 : x
  2. Step 2: Convert to fraction form
    1,945.04/2,683.58 = 1,199.12/x
  3. Step 3: Cross multiply
    1,945.04x = 2,683.58 × 1,199.12
  4. Step 4: Simplify right side
    1,945.04x = 3,217,934.45
  5. Step 5: Solve for x
    x = 3,217,934.45/1,945.04
  6. Step 6: Final answer
    x = 1,654.43

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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.