Home / 2,858.24-4,288.44-1,128.08

Finding the Fourth Proportional to 2,858.24, 4,288.44 and 1,128.08

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Solution

The fourth proportional to 2,858.24, 4,288.44 and 1,128.08 is: 1,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.24 : 4,288.44 = 1,128.08 : x
  2. Step 2: Convert to fraction form
    2,858.24/4,288.44 = 1,128.08/x
  3. Step 3: Cross multiply
    2,858.24x = 4,288.44 × 1,128.08
  4. Step 4: Simplify right side
    2,858.24x = 4,837,703.40
  5. Step 5: Solve for x
    x = 4,837,703.40/2,858.24
  6. Step 6: Final answer
    x = 1,692.55

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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.