Home / 3,578.44-5,368.38-1,270.12

Finding the Fourth Proportional to 3,578.44, 5,368.38 and 1,270.12

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Solution

The fourth proportional to 3,578.44, 5,368.38 and 1,270.12 is: 1,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.44 : 5,368.38 = 1,270.12 : x
  2. Step 2: Convert to fraction form
    3,578.44/5,368.38 = 1,270.12/x
  3. Step 3: Cross multiply
    3,578.44x = 5,368.38 × 1,270.12
  4. Step 4: Simplify right side
    3,578.44x = 6,818,486.81
  5. Step 5: Solve for x
    x = 6,818,486.81/3,578.44
  6. Step 6: Final answer
    x = 1,905.44

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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.