Home / 3,838.79-5,297.40-2,346.77

Finding the Fourth Proportional to 3,838.79, 5,297.40 and 2,346.77

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Solution

The fourth proportional to 3,838.79, 5,297.40 and 2,346.77 is: 3,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.79 : 5,297.40 = 2,346.77 : x
  2. Step 2: Convert to fraction form
    3,838.79/5,297.40 = 2,346.77/x
  3. Step 3: Cross multiply
    3,838.79x = 5,297.40 × 2,346.77
  4. Step 4: Simplify right side
    3,838.79x = 12,431,792.64
  5. Step 5: Solve for x
    x = 12,431,792.64/3,838.79
  6. Step 6: Final answer
    x = 3,238.46

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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.