Home / 2,748.15-3,790.61-1,804.79

Finding the Fourth Proportional to 2,748.15, 3,790.61 and 1,804.79

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Solution

The fourth proportional to 2,748.15, 3,790.61 and 1,804.79 is: 2,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.15 : 3,790.61 = 1,804.79 : x
  2. Step 2: Convert to fraction form
    2,748.15/3,790.61 = 1,804.79/x
  3. Step 3: Cross multiply
    2,748.15x = 3,790.61 × 1,804.79
  4. Step 4: Simplify right side
    2,748.15x = 6,841,255.02
  5. Step 5: Solve for x
    x = 6,841,255.02/2,748.15
  6. Step 6: Final answer
    x = 2,489.40

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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.