Home / 3,316.12-4,975.04-1,928.10

Finding the Fourth Proportional to 3,316.12, 4,975.04 and 1,928.10

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Solution

The fourth proportional to 3,316.12, 4,975.04 and 1,928.10 is: 2,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.12 : 4,975.04 = 1,928.10 : x
  2. Step 2: Convert to fraction form
    3,316.12/4,975.04 = 1,928.10/x
  3. Step 3: Cross multiply
    3,316.12x = 4,975.04 × 1,928.10
  4. Step 4: Simplify right side
    3,316.12x = 9,592,374.62
  5. Step 5: Solve for x
    x = 9,592,374.62/3,316.12
  6. Step 6: Final answer
    x = 2,892.65

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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.