Home / 1,627.73-2,246.61-1,298.75

Finding the Fourth Proportional to 1,627.73, 2,246.61 and 1,298.75

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Solution

The fourth proportional to 1,627.73, 2,246.61 and 1,298.75 is: 1,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.73 : 2,246.61 = 1,298.75 : x
  2. Step 2: Convert to fraction form
    1,627.73/2,246.61 = 1,298.75/x
  3. Step 3: Cross multiply
    1,627.73x = 2,246.61 × 1,298.75
  4. Step 4: Simplify right side
    1,627.73x = 2,917,784.74
  5. Step 5: Solve for x
    x = 2,917,784.74/1,627.73
  6. Step 6: Final answer
    x = 1,792.55

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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.