Home / 2,938.39-4,055.11-1,759.24

Finding the Fourth Proportional to 2,938.39, 4,055.11 and 1,759.24

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Solution

The fourth proportional to 2,938.39, 4,055.11 and 1,759.24 is: 2,427.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.39 : 4,055.11 = 1,759.24 : x
  2. Step 2: Convert to fraction form
    2,938.39/4,055.11 = 1,759.24/x
  3. Step 3: Cross multiply
    2,938.39x = 4,055.11 × 1,759.24
  4. Step 4: Simplify right side
    2,938.39x = 7,133,882.64
  5. Step 5: Solve for x
    x = 7,133,882.64/2,938.39
  6. Step 6: Final answer
    x = 2,427.82

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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.