Home / 3,314.51-4,995.60-2,857.80

Finding the Fourth Proportional to 3,314.51, 4,995.60 and 2,857.80

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Solution

The fourth proportional to 3,314.51, 4,995.60 and 2,857.80 is: 4,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.51 : 4,995.60 = 2,857.80 : x
  2. Step 2: Convert to fraction form
    3,314.51/4,995.60 = 2,857.80/x
  3. Step 3: Cross multiply
    3,314.51x = 4,995.60 × 2,857.80
  4. Step 4: Simplify right side
    3,314.51x = 14,276,425.68
  5. Step 5: Solve for x
    x = 14,276,425.68/3,314.51
  6. Step 6: Final answer
    x = 4,307.25

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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.