Home / 3,314.36-4,991.27-2,886.68

Finding the Fourth Proportional to 3,314.36, 4,991.27 and 2,886.68

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Solution

The fourth proportional to 3,314.36, 4,991.27 and 2,886.68 is: 4,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.36 : 4,991.27 = 2,886.68 : x
  2. Step 2: Convert to fraction form
    3,314.36/4,991.27 = 2,886.68/x
  3. Step 3: Cross multiply
    3,314.36x = 4,991.27 × 2,886.68
  4. Step 4: Simplify right side
    3,314.36x = 14,408,199.28
  5. Step 5: Solve for x
    x = 14,408,199.28/3,314.36
  6. Step 6: Final answer
    x = 4,347.20

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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.