Home / 2,725.24-4,085.16-1,080.76

Finding the Fourth Proportional to 2,725.24, 4,085.16 and 1,080.76

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Solution

The fourth proportional to 2,725.24, 4,085.16 and 1,080.76 is: 1,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.24 : 4,085.16 = 1,080.76 : x
  2. Step 2: Convert to fraction form
    2,725.24/4,085.16 = 1,080.76/x
  3. Step 3: Cross multiply
    2,725.24x = 4,085.16 × 1,080.76
  4. Step 4: Simplify right side
    2,725.24x = 4,415,077.52
  5. Step 5: Solve for x
    x = 4,415,077.52/2,725.24
  6. Step 6: Final answer
    x = 1,620.07

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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.