Home / 2,741.12-3,782.84-1,499.12

Finding the Fourth Proportional to 2,741.12, 3,782.84 and 1,499.12

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Solution

The fourth proportional to 2,741.12, 3,782.84 and 1,499.12 is: 2,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.12 : 3,782.84 = 1,499.12 : x
  2. Step 2: Convert to fraction form
    2,741.12/3,782.84 = 1,499.12/x
  3. Step 3: Cross multiply
    2,741.12x = 3,782.84 × 1,499.12
  4. Step 4: Simplify right side
    2,741.12x = 5,670,931.10
  5. Step 5: Solve for x
    x = 5,670,931.10/2,741.12
  6. Step 6: Final answer
    x = 2,068.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.