Home / 2,743.08-3,785.76-1,903.56

Finding the Fourth Proportional to 2,743.08, 3,785.76 and 1,903.56

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Solution

The fourth proportional to 2,743.08, 3,785.76 and 1,903.56 is: 2,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.08 : 3,785.76 = 1,903.56 : x
  2. Step 2: Convert to fraction form
    2,743.08/3,785.76 = 1,903.56/x
  3. Step 3: Cross multiply
    2,743.08x = 3,785.76 × 1,903.56
  4. Step 4: Simplify right side
    2,743.08x = 7,206,421.31
  5. Step 5: Solve for x
    x = 7,206,421.31/2,743.08
  6. Step 6: Final answer
    x = 2,627.13

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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.