Home / 3,840.96-5,297.52-2,959.20

Finding the Fourth Proportional to 3,840.96, 5,297.52 and 2,959.20

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Solution

The fourth proportional to 3,840.96, 5,297.52 and 2,959.20 is: 4,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.96 : 5,297.52 = 2,959.20 : x
  2. Step 2: Convert to fraction form
    3,840.96/5,297.52 = 2,959.20/x
  3. Step 3: Cross multiply
    3,840.96x = 5,297.52 × 2,959.20
  4. Step 4: Simplify right side
    3,840.96x = 15,676,421.18
  5. Step 5: Solve for x
    x = 15,676,421.18/3,840.96
  6. Step 6: Final answer
    x = 4,081.38

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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.