Home / 1,738.31-2,399.28-1,074.75

Finding the Fourth Proportional to 1,738.31, 2,399.28 and 1,074.75

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Solution

The fourth proportional to 1,738.31, 2,399.28 and 1,074.75 is: 1,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.31 : 2,399.28 = 1,074.75 : x
  2. Step 2: Convert to fraction form
    1,738.31/2,399.28 = 1,074.75/x
  3. Step 3: Cross multiply
    1,738.31x = 2,399.28 × 1,074.75
  4. Step 4: Simplify right side
    1,738.31x = 2,578,626.18
  5. Step 5: Solve for x
    x = 2,578,626.18/1,738.31
  6. Step 6: Final answer
    x = 1,483.41

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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.