Home / 1,738.42-2,391.60-1,517.84

Finding the Fourth Proportional to 1,738.42, 2,391.60 and 1,517.84

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Solution

The fourth proportional to 1,738.42, 2,391.60 and 1,517.84 is: 2,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.42 : 2,391.60 = 1,517.84 : x
  2. Step 2: Convert to fraction form
    1,738.42/2,391.60 = 1,517.84/x
  3. Step 3: Cross multiply
    1,738.42x = 2,391.60 × 1,517.84
  4. Step 4: Simplify right side
    1,738.42x = 3,630,066.14
  5. Step 5: Solve for x
    x = 3,630,066.14/1,738.42
  6. Step 6: Final answer
    x = 2,088.14

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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.