Home / 1,943.42-2,667.68-1,768.46

Finding the Fourth Proportional to 1,943.42, 2,667.68 and 1,768.46

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Solution

The fourth proportional to 1,943.42, 2,667.68 and 1,768.46 is: 2,427.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.42 : 2,667.68 = 1,768.46 : x
  2. Step 2: Convert to fraction form
    1,943.42/2,667.68 = 1,768.46/x
  3. Step 3: Cross multiply
    1,943.42x = 2,667.68 × 1,768.46
  4. Step 4: Simplify right side
    1,943.42x = 4,717,685.37
  5. Step 5: Solve for x
    x = 4,717,685.37/1,943.42
  6. Step 6: Final answer
    x = 2,427.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.