Home / 3,852.65-5,319.81-2,438.63

Finding the Fourth Proportional to 3,852.65, 5,319.81 and 2,438.63

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Solution

The fourth proportional to 3,852.65, 5,319.81 and 2,438.63 is: 3,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.65 : 5,319.81 = 2,438.63 : x
  2. Step 2: Convert to fraction form
    3,852.65/5,319.81 = 2,438.63/x
  3. Step 3: Cross multiply
    3,852.65x = 5,319.81 × 2,438.63
  4. Step 4: Simplify right side
    3,852.65x = 12,973,021.66
  5. Step 5: Solve for x
    x = 12,973,021.66/3,852.65
  6. Step 6: Final answer
    x = 3,367.30

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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.