Home / 1,851.32-2,778.42-1,736.48

Finding the Fourth Proportional to 1,851.32, 2,778.42 and 1,736.48

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Solution

The fourth proportional to 1,851.32, 2,778.42 and 1,736.48 is: 2,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.32 : 2,778.42 = 1,736.48 : x
  2. Step 2: Convert to fraction form
    1,851.32/2,778.42 = 1,736.48/x
  3. Step 3: Cross multiply
    1,851.32x = 2,778.42 × 1,736.48
  4. Step 4: Simplify right side
    1,851.32x = 4,824,670.76
  5. Step 5: Solve for x
    x = 4,824,670.76/1,851.32
  6. Step 6: Final answer
    x = 2,606.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.