Home / 3,886.79-5,364.53-2,707.17

Finding the Fourth Proportional to 3,886.79, 5,364.53 and 2,707.17

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Solution

The fourth proportional to 3,886.79, 5,364.53 and 2,707.17 is: 3,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.79 : 5,364.53 = 2,707.17 : x
  2. Step 2: Convert to fraction form
    3,886.79/5,364.53 = 2,707.17/x
  3. Step 3: Cross multiply
    3,886.79x = 5,364.53 × 2,707.17
  4. Step 4: Simplify right side
    3,886.79x = 14,522,701.35
  5. Step 5: Solve for x
    x = 14,522,701.35/3,886.79
  6. Step 6: Final answer
    x = 3,736.43

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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.