Home / 2,743.77-3,785.45-1,904.25

Finding the Fourth Proportional to 2,743.77, 3,785.45 and 1,904.25

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Solution

The fourth proportional to 2,743.77, 3,785.45 and 1,904.25 is: 2,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.77 : 3,785.45 = 1,904.25 : x
  2. Step 2: Convert to fraction form
    2,743.77/3,785.45 = 1,904.25/x
  3. Step 3: Cross multiply
    2,743.77x = 3,785.45 × 1,904.25
  4. Step 4: Simplify right side
    2,743.77x = 7,208,433.64
  5. Step 5: Solve for x
    x = 7,208,433.64/2,743.77
  6. Step 6: Final answer
    x = 2,627.20

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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.