Home / 3,313.51-4,994.09-2,856.80

Finding the Fourth Proportional to 3,313.51, 4,994.09 and 2,856.80

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Solution

The fourth proportional to 3,313.51, 4,994.09 and 2,856.80 is: 4,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.51 : 4,994.09 = 2,856.80 : x
  2. Step 2: Convert to fraction form
    3,313.51/4,994.09 = 2,856.80/x
  3. Step 3: Cross multiply
    3,313.51x = 4,994.09 × 2,856.80
  4. Step 4: Simplify right side
    3,313.51x = 14,267,116.31
  5. Step 5: Solve for x
    x = 14,267,116.31/3,313.51
  6. Step 6: Final answer
    x = 4,305.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.