Home / 3,894.07-5,374.74-2,718.76

Finding the Fourth Proportional to 3,894.07, 5,374.74 and 2,718.76

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Solution

The fourth proportional to 3,894.07, 5,374.74 and 2,718.76 is: 3,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.07 : 5,374.74 = 2,718.76 : x
  2. Step 2: Convert to fraction form
    3,894.07/5,374.74 = 2,718.76/x
  3. Step 3: Cross multiply
    3,894.07x = 5,374.74 × 2,718.76
  4. Step 4: Simplify right side
    3,894.07x = 14,612,628.12
  5. Step 5: Solve for x
    x = 14,612,628.12/3,894.07
  6. Step 6: Final answer
    x = 3,752.53

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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.