Home / 2,274.42-3,138.93-1,529.94

Finding the Fourth Proportional to 2,274.42, 3,138.93 and 1,529.94

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Solution

The fourth proportional to 2,274.42, 3,138.93 and 1,529.94 is: 2,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.42 : 3,138.93 = 1,529.94 : x
  2. Step 2: Convert to fraction form
    2,274.42/3,138.93 = 1,529.94/x
  3. Step 3: Cross multiply
    2,274.42x = 3,138.93 × 1,529.94
  4. Step 4: Simplify right side
    2,274.42x = 4,802,374.56
  5. Step 5: Solve for x
    x = 4,802,374.56/2,274.42
  6. Step 6: Final answer
    x = 2,111.47

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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.