Home / 2,455.08-3,390.96-1,790.88

Finding the Fourth Proportional to 2,455.08, 3,390.96 and 1,790.88

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Solution

The fourth proportional to 2,455.08, 3,390.96 and 1,790.88 is: 2,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.08 : 3,390.96 = 1,790.88 : x
  2. Step 2: Convert to fraction form
    2,455.08/3,390.96 = 1,790.88/x
  3. Step 3: Cross multiply
    2,455.08x = 3,390.96 × 1,790.88
  4. Step 4: Simplify right side
    2,455.08x = 6,072,802.44
  5. Step 5: Solve for x
    x = 6,072,802.44/2,455.08
  6. Step 6: Final answer
    x = 2,473.57

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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.