Home / 2,610.09-3,586.61-2,085.21

Finding the Fourth Proportional to 2,610.09, 3,586.61 and 2,085.21

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Solution

The fourth proportional to 2,610.09, 3,586.61 and 2,085.21 is: 2,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.09 : 3,586.61 = 2,085.21 : x
  2. Step 2: Convert to fraction form
    2,610.09/3,586.61 = 2,085.21/x
  3. Step 3: Cross multiply
    2,610.09x = 3,586.61 × 2,085.21
  4. Step 4: Simplify right side
    2,610.09x = 7,478,840.25
  5. Step 5: Solve for x
    x = 7,478,840.25/2,610.09
  6. Step 6: Final answer
    x = 2,865.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.