Home / 2,865.03-4,296.43-1,015.80

Finding the Fourth Proportional to 2,865.03, 4,296.43 and 1,015.80

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Solution

The fourth proportional to 2,865.03, 4,296.43 and 1,015.80 is: 1,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.03 : 4,296.43 = 1,015.80 : x
  2. Step 2: Convert to fraction form
    2,865.03/4,296.43 = 1,015.80/x
  3. Step 3: Cross multiply
    2,865.03x = 4,296.43 × 1,015.80
  4. Step 4: Simplify right side
    2,865.03x = 4,364,313.59
  5. Step 5: Solve for x
    x = 4,364,313.59/2,865.03
  6. Step 6: Final answer
    x = 1,523.30

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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.