Home / 3,365.65-5,047.80-1,284.22

Finding the Fourth Proportional to 3,365.65, 5,047.80 and 1,284.22

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Solution

The fourth proportional to 3,365.65, 5,047.80 and 1,284.22 is: 1,926.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.65 : 5,047.80 = 1,284.22 : x
  2. Step 2: Convert to fraction form
    3,365.65/5,047.80 = 1,284.22/x
  3. Step 3: Cross multiply
    3,365.65x = 5,047.80 × 1,284.22
  4. Step 4: Simplify right side
    3,365.65x = 6,482,485.72
  5. Step 5: Solve for x
    x = 6,482,485.72/3,365.65
  6. Step 6: Final answer
    x = 1,926.07

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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.