Home / 2,746.77-3,789.75-1,684.18

Finding the Fourth Proportional to 2,746.77, 3,789.75 and 1,684.18

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Solution

The fourth proportional to 2,746.77, 3,789.75 and 1,684.18 is: 2,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.77 : 3,789.75 = 1,684.18 : x
  2. Step 2: Convert to fraction form
    2,746.77/3,789.75 = 1,684.18/x
  3. Step 3: Cross multiply
    2,746.77x = 3,789.75 × 1,684.18
  4. Step 4: Simplify right side
    2,746.77x = 6,382,621.16
  5. Step 5: Solve for x
    x = 6,382,621.16/2,746.77
  6. Step 6: Final answer
    x = 2,323.68

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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.