Home / 3,955.08-5,458.08-2,162.54

Finding the Fourth Proportional to 3,955.08, 5,458.08 and 2,162.54

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Solution

The fourth proportional to 3,955.08, 5,458.08 and 2,162.54 is: 2,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.08 : 5,458.08 = 2,162.54 : x
  2. Step 2: Convert to fraction form
    3,955.08/5,458.08 = 2,162.54/x
  3. Step 3: Cross multiply
    3,955.08x = 5,458.08 × 2,162.54
  4. Step 4: Simplify right side
    3,955.08x = 11,803,316.32
  5. Step 5: Solve for x
    x = 11,803,316.32/3,955.08
  6. Step 6: Final answer
    x = 2,984.34

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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.