Home / 2,858.03-4,285.95-1,008.80

Finding the Fourth Proportional to 2,858.03, 4,285.95 and 1,008.80

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Solution

The fourth proportional to 2,858.03, 4,285.95 and 1,008.80 is: 1,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.03 : 4,285.95 = 1,008.80 : x
  2. Step 2: Convert to fraction form
    2,858.03/4,285.95 = 1,008.80/x
  3. Step 3: Cross multiply
    2,858.03x = 4,285.95 × 1,008.80
  4. Step 4: Simplify right side
    2,858.03x = 4,323,644.93
  5. Step 5: Solve for x
    x = 4,323,644.93/2,858.03
  6. Step 6: Final answer
    x = 1,512.81

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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.