Home / 2,759.09-4,139.24-1,528.29

Finding the Fourth Proportional to 2,759.09, 4,139.24 and 1,528.29

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Solution

The fourth proportional to 2,759.09, 4,139.24 and 1,528.29 is: 2,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.09 : 4,139.24 = 1,528.29 : x
  2. Step 2: Convert to fraction form
    2,759.09/4,139.24 = 1,528.29/x
  3. Step 3: Cross multiply
    2,759.09x = 4,139.24 × 1,528.29
  4. Step 4: Simplify right side
    2,759.09x = 6,325,951.46
  5. Step 5: Solve for x
    x = 6,325,951.46/2,759.09
  6. Step 6: Final answer
    x = 2,292.77

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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.