Home / 4,128.48-6,181.62-2,482.68

Finding the Fourth Proportional to 4,128.48, 6,181.62 and 2,482.68

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Solution

The fourth proportional to 4,128.48, 6,181.62 and 2,482.68 is: 3,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.48 : 6,181.62 = 2,482.68 : x
  2. Step 2: Convert to fraction form
    4,128.48/6,181.62 = 2,482.68/x
  3. Step 3: Cross multiply
    4,128.48x = 6,181.62 × 2,482.68
  4. Step 4: Simplify right side
    4,128.48x = 15,346,984.34
  5. Step 5: Solve for x
    x = 15,346,984.34/4,128.48
  6. Step 6: Final answer
    x = 3,717.34

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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.