Home / 2,938.14-4,054.76-1,758.98

Finding the Fourth Proportional to 2,938.14, 4,054.76 and 1,758.98

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Solution

The fourth proportional to 2,938.14, 4,054.76 and 1,758.98 is: 2,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.14 : 4,054.76 = 1,758.98 : x
  2. Step 2: Convert to fraction form
    2,938.14/4,054.76 = 1,758.98/x
  3. Step 3: Cross multiply
    2,938.14x = 4,054.76 × 1,758.98
  4. Step 4: Simplify right side
    2,938.14x = 7,132,249.68
  5. Step 5: Solve for x
    x = 7,132,249.68/2,938.14
  6. Step 6: Final answer
    x = 2,427.47

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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.