Home / 2,645.21-3,968.03-1,184.51

Finding the Fourth Proportional to 2,645.21, 3,968.03 and 1,184.51

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Solution

The fourth proportional to 2,645.21, 3,968.03 and 1,184.51 is: 1,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.21 : 3,968.03 = 1,184.51 : x
  2. Step 2: Convert to fraction form
    2,645.21/3,968.03 = 1,184.51/x
  3. Step 3: Cross multiply
    2,645.21x = 3,968.03 × 1,184.51
  4. Step 4: Simplify right side
    2,645.21x = 4,700,184.10
  5. Step 5: Solve for x
    x = 4,700,184.10/2,645.21
  6. Step 6: Final answer
    x = 1,776.86

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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.