Home / 2,993.70-4,131.51-1,667.46

Finding the Fourth Proportional to 2,993.70, 4,131.51 and 1,667.46

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Solution

The fourth proportional to 2,993.70, 4,131.51 and 1,667.46 is: 2,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.70 : 4,131.51 = 1,667.46 : x
  2. Step 2: Convert to fraction form
    2,993.70/4,131.51 = 1,667.46/x
  3. Step 3: Cross multiply
    2,993.70x = 4,131.51 × 1,667.46
  4. Step 4: Simplify right side
    2,993.70x = 6,889,127.66
  5. Step 5: Solve for x
    x = 6,889,127.66/2,993.70
  6. Step 6: Final answer
    x = 2,301.21

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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.