Home / 1,838.21-2,754.36-1,651.70

Finding the Fourth Proportional to 1,838.21, 2,754.36 and 1,651.70

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Solution

The fourth proportional to 1,838.21, 2,754.36 and 1,651.70 is: 2,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.21 : 2,754.36 = 1,651.70 : x
  2. Step 2: Convert to fraction form
    1,838.21/2,754.36 = 1,651.70/x
  3. Step 3: Cross multiply
    1,838.21x = 2,754.36 × 1,651.70
  4. Step 4: Simplify right side
    1,838.21x = 4,549,376.41
  5. Step 5: Solve for x
    x = 4,549,376.41/1,838.21
  6. Step 6: Final answer
    x = 2,474.89

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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.