Home / 2,790.40-3,848-1,795.52

Finding the Fourth Proportional to 2,790.40, 3,848 and 1,795.52

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Solution

The fourth proportional to 2,790.40, 3,848 and 1,795.52 is: 2,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.40 : 3,848 = 1,795.52 : x
  2. Step 2: Convert to fraction form
    2,790.40/3,848 = 1,795.52/x
  3. Step 3: Cross multiply
    2,790.40x = 3,848 × 1,795.52
  4. Step 4: Simplify right side
    2,790.40x = 6,909,160.96
  5. Step 5: Solve for x
    x = 6,909,160.96/2,790.40
  6. Step 6: Final answer
    x = 2,476.05

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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.