Home / 2,255.60-3,111-1,696.24

Finding the Fourth Proportional to 2,255.60, 3,111 and 1,696.24

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Solution

The fourth proportional to 2,255.60, 3,111 and 1,696.24 is: 2,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.60 : 3,111 = 1,696.24 : x
  2. Step 2: Convert to fraction form
    2,255.60/3,111 = 1,696.24/x
  3. Step 3: Cross multiply
    2,255.60x = 3,111 × 1,696.24
  4. Step 4: Simplify right side
    2,255.60x = 5,277,002.64
  5. Step 5: Solve for x
    x = 5,277,002.64/2,255.60
  6. Step 6: Final answer
    x = 2,339.51

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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.