Home / 3,116.96-4,653.75-2,805.92

Finding the Fourth Proportional to 3,116.96, 4,653.75 and 2,805.92

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Solution

The fourth proportional to 3,116.96, 4,653.75 and 2,805.92 is: 4,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.96 : 4,653.75 = 2,805.92 : x
  2. Step 2: Convert to fraction form
    3,116.96/4,653.75 = 2,805.92/x
  3. Step 3: Cross multiply
    3,116.96x = 4,653.75 × 2,805.92
  4. Step 4: Simplify right side
    3,116.96x = 13,058,036.17
  5. Step 5: Solve for x
    x = 13,058,036.17/3,116.96
  6. Step 6: Final answer
    x = 4,189.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.