Home / 3,848.46-5,307.39-2,521.68

Finding the Fourth Proportional to 3,848.46, 5,307.39 and 2,521.68

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Solution

The fourth proportional to 3,848.46, 5,307.39 and 2,521.68 is: 3,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.46 : 5,307.39 = 2,521.68 : x
  2. Step 2: Convert to fraction form
    3,848.46/5,307.39 = 2,521.68/x
  3. Step 3: Cross multiply
    3,848.46x = 5,307.39 × 2,521.68
  4. Step 4: Simplify right side
    3,848.46x = 13,383,539.22
  5. Step 5: Solve for x
    x = 13,383,539.22/3,848.46
  6. Step 6: Final answer
    x = 3,477.64

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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.