Home / 1,738.20-2,397.74-1,074.58

Finding the Fourth Proportional to 1,738.20, 2,397.74 and 1,074.58

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Solution

The fourth proportional to 1,738.20, 2,397.74 and 1,074.58 is: 1,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.20 : 2,397.74 = 1,074.58 : x
  2. Step 2: Convert to fraction form
    1,738.20/2,397.74 = 1,074.58/x
  3. Step 3: Cross multiply
    1,738.20x = 2,397.74 × 1,074.58
  4. Step 4: Simplify right side
    1,738.20x = 2,576,566.14
  5. Step 5: Solve for x
    x = 2,576,566.14/1,738.20
  6. Step 6: Final answer
    x = 1,482.32

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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.