Home / 2,260.64-3,119.85-1,376.53

Finding the Fourth Proportional to 2,260.64, 3,119.85 and 1,376.53

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Solution

The fourth proportional to 2,260.64, 3,119.85 and 1,376.53 is: 1,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.64 : 3,119.85 = 1,376.53 : x
  2. Step 2: Convert to fraction form
    2,260.64/3,119.85 = 1,376.53/x
  3. Step 3: Cross multiply
    2,260.64x = 3,119.85 × 1,376.53
  4. Step 4: Simplify right side
    2,260.64x = 4,294,559.32
  5. Step 5: Solve for x
    x = 4,294,559.32/2,260.64
  6. Step 6: Final answer
    x = 1,899.71

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Why These Related Problems?

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