Home / 2,085.03-2,877.34-1,299.08

Finding the Fourth Proportional to 2,085.03, 2,877.34 and 1,299.08

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Solution

The fourth proportional to 2,085.03, 2,877.34 and 1,299.08 is: 1,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.03 : 2,877.34 = 1,299.08 : x
  2. Step 2: Convert to fraction form
    2,085.03/2,877.34 = 1,299.08/x
  3. Step 3: Cross multiply
    2,085.03x = 2,877.34 × 1,299.08
  4. Step 4: Simplify right side
    2,085.03x = 3,737,896.12
  5. Step 5: Solve for x
    x = 3,737,896.12/2,085.03
  6. Step 6: Final answer
    x = 1,792.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.