Home / 2,993.72-4,131.16-1,667.18

Finding the Fourth Proportional to 2,993.72, 4,131.16 and 1,667.18

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Solution

The fourth proportional to 2,993.72, 4,131.16 and 1,667.18 is: 2,300.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.72 : 4,131.16 = 1,667.18 : x
  2. Step 2: Convert to fraction form
    2,993.72/4,131.16 = 1,667.18/x
  3. Step 3: Cross multiply
    2,993.72x = 4,131.16 × 1,667.18
  4. Step 4: Simplify right side
    2,993.72x = 6,887,393.49
  5. Step 5: Solve for x
    x = 6,887,393.49/2,993.72
  6. Step 6: Final answer
    x = 2,300.62

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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.