Home / 1,738.72-2,400.24-1,116.64

Finding the Fourth Proportional to 1,738.72, 2,400.24 and 1,116.64

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Solution

The fourth proportional to 1,738.72, 2,400.24 and 1,116.64 is: 1,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.72 : 2,400.24 = 1,116.64 : x
  2. Step 2: Convert to fraction form
    1,738.72/2,400.24 = 1,116.64/x
  3. Step 3: Cross multiply
    1,738.72x = 2,400.24 × 1,116.64
  4. Step 4: Simplify right side
    1,738.72x = 2,680,203.99
  5. Step 5: Solve for x
    x = 2,680,203.99/1,738.72
  6. Step 6: Final answer
    x = 1,541.48

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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.