Home / 3,848.16-5,311.26-2,519.40

Finding the Fourth Proportional to 3,848.16, 5,311.26 and 2,519.40

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Solution

The fourth proportional to 3,848.16, 5,311.26 and 2,519.40 is: 3,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.16 : 5,311.26 = 2,519.40 : x
  2. Step 2: Convert to fraction form
    3,848.16/5,311.26 = 2,519.40/x
  3. Step 3: Cross multiply
    3,848.16x = 5,311.26 × 2,519.40
  4. Step 4: Simplify right side
    3,848.16x = 13,381,188.44
  5. Step 5: Solve for x
    x = 13,381,188.44/3,848.16
  6. Step 6: Final answer
    x = 3,477.30

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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.