Home / 2,848.82-3,931.31-1,653.74

Finding the Fourth Proportional to 2,848.82, 3,931.31 and 1,653.74

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Solution

The fourth proportional to 2,848.82, 3,931.31 and 1,653.74 is: 2,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.82 : 3,931.31 = 1,653.74 : x
  2. Step 2: Convert to fraction form
    2,848.82/3,931.31 = 1,653.74/x
  3. Step 3: Cross multiply
    2,848.82x = 3,931.31 × 1,653.74
  4. Step 4: Simplify right side
    2,848.82x = 6,501,370.23
  5. Step 5: Solve for x
    x = 6,501,370.23/2,848.82
  6. Step 6: Final answer
    x = 2,282.13

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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.