Home / 3,848.48-5,778.06-1,975.70

Finding the Fourth Proportional to 3,848.48, 5,778.06 and 1,975.70

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Solution

The fourth proportional to 3,848.48, 5,778.06 and 1,975.70 is: 2,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.48 : 5,778.06 = 1,975.70 : x
  2. Step 2: Convert to fraction form
    3,848.48/5,778.06 = 1,975.70/x
  3. Step 3: Cross multiply
    3,848.48x = 5,778.06 × 1,975.70
  4. Step 4: Simplify right side
    3,848.48x = 11,415,713.14
  5. Step 5: Solve for x
    x = 11,415,713.14/3,848.48
  6. Step 6: Final answer
    x = 2,966.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.