Home / 1,817.21-2,507.78-1,754.35

Finding the Fourth Proportional to 1,817.21, 2,507.78 and 1,754.35

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Solution

The fourth proportional to 1,817.21, 2,507.78 and 1,754.35 is: 2,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.21 : 2,507.78 = 1,754.35 : x
  2. Step 2: Convert to fraction form
    1,817.21/2,507.78 = 1,754.35/x
  3. Step 3: Cross multiply
    1,817.21x = 2,507.78 × 1,754.35
  4. Step 4: Simplify right side
    1,817.21x = 4,399,523.84
  5. Step 5: Solve for x
    x = 4,399,523.84/1,817.21
  6. Step 6: Final answer
    x = 2,421.03

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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.