Home / 3,314.76-4,995.98-2,858.05

Finding the Fourth Proportional to 3,314.76, 4,995.98 and 2,858.05

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Solution

The fourth proportional to 3,314.76, 4,995.98 and 2,858.05 is: 4,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.76 : 4,995.98 = 2,858.05 : x
  2. Step 2: Convert to fraction form
    3,314.76/4,995.98 = 2,858.05/x
  3. Step 3: Cross multiply
    3,314.76x = 4,995.98 × 2,858.05
  4. Step 4: Simplify right side
    3,314.76x = 14,278,763.31
  5. Step 5: Solve for x
    x = 14,278,763.31/3,314.76
  6. Step 6: Final answer
    x = 4,307.64

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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.