Home / 3,643.67-5,466.05-1,178.75

Finding the Fourth Proportional to 3,643.67, 5,466.05 and 1,178.75

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Solution

The fourth proportional to 3,643.67, 5,466.05 and 1,178.75 is: 1,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.67 : 5,466.05 = 1,178.75 : x
  2. Step 2: Convert to fraction form
    3,643.67/5,466.05 = 1,178.75/x
  3. Step 3: Cross multiply
    3,643.67x = 5,466.05 × 1,178.75
  4. Step 4: Simplify right side
    3,643.67x = 6,443,106.44
  5. Step 5: Solve for x
    x = 6,443,106.44/3,643.67
  6. Step 6: Final answer
    x = 1,768.30

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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.