Home / 2,378.04-3,567.06-1,388.43

Finding the Fourth Proportional to 2,378.04, 3,567.06 and 1,388.43

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Solution

The fourth proportional to 2,378.04, 3,567.06 and 1,388.43 is: 2,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.04 : 3,567.06 = 1,388.43 : x
  2. Step 2: Convert to fraction form
    2,378.04/3,567.06 = 1,388.43/x
  3. Step 3: Cross multiply
    2,378.04x = 3,567.06 × 1,388.43
  4. Step 4: Simplify right side
    2,378.04x = 4,952,613.12
  5. Step 5: Solve for x
    x = 4,952,613.12/2,378.04
  6. Step 6: Final answer
    x = 2,082.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.