Home / 2,792.39-3,854.58-2,095.79

Finding the Fourth Proportional to 2,792.39, 3,854.58 and 2,095.79

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Solution

The fourth proportional to 2,792.39, 3,854.58 and 2,095.79 is: 2,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.39 : 3,854.58 = 2,095.79 : x
  2. Step 2: Convert to fraction form
    2,792.39/3,854.58 = 2,095.79/x
  3. Step 3: Cross multiply
    2,792.39x = 3,854.58 × 2,095.79
  4. Step 4: Simplify right side
    2,792.39x = 8,078,390.22
  5. Step 5: Solve for x
    x = 8,078,390.22/2,792.39
  6. Step 6: Final answer
    x = 2,893.00

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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.