Home / 2,558.19-3,529.45-2,085.27

Finding the Fourth Proportional to 2,558.19, 3,529.45 and 2,085.27

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Solution

The fourth proportional to 2,558.19, 3,529.45 and 2,085.27 is: 2,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.19 : 3,529.45 = 2,085.27 : x
  2. Step 2: Convert to fraction form
    2,558.19/3,529.45 = 2,085.27/x
  3. Step 3: Cross multiply
    2,558.19x = 3,529.45 × 2,085.27
  4. Step 4: Simplify right side
    2,558.19x = 7,359,845.78
  5. Step 5: Solve for x
    x = 7,359,845.78/2,558.19
  6. Step 6: Final answer
    x = 2,876.97

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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.