Home / 2,858.51-4,287.76-1,008.60

Finding the Fourth Proportional to 2,858.51, 4,287.76 and 1,008.60

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Solution

The fourth proportional to 2,858.51, 4,287.76 and 1,008.60 is: 1,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.51 : 4,287.76 = 1,008.60 : x
  2. Step 2: Convert to fraction form
    2,858.51/4,287.76 = 1,008.60/x
  3. Step 3: Cross multiply
    2,858.51x = 4,287.76 × 1,008.60
  4. Step 4: Simplify right side
    2,858.51x = 4,324,634.74
  5. Step 5: Solve for x
    x = 4,324,634.74/2,858.51
  6. Step 6: Final answer
    x = 1,512.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.