Home / 3,316.62-4,969.80-2,277.12

Finding the Fourth Proportional to 3,316.62, 4,969.80 and 2,277.12

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Solution

The fourth proportional to 3,316.62, 4,969.80 and 2,277.12 is: 3,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.62 : 4,969.80 = 2,277.12 : x
  2. Step 2: Convert to fraction form
    3,316.62/4,969.80 = 2,277.12/x
  3. Step 3: Cross multiply
    3,316.62x = 4,969.80 × 2,277.12
  4. Step 4: Simplify right side
    3,316.62x = 11,316,830.98
  5. Step 5: Solve for x
    x = 11,316,830.98/3,316.62
  6. Step 6: Final answer
    x = 3,412.16

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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.