Home / 2,823.08-3,896.05-1,877.27

Finding the Fourth Proportional to 2,823.08, 3,896.05 and 1,877.27

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Solution

The fourth proportional to 2,823.08, 3,896.05 and 1,877.27 is: 2,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.08 : 3,896.05 = 1,877.27 : x
  2. Step 2: Convert to fraction form
    2,823.08/3,896.05 = 1,877.27/x
  3. Step 3: Cross multiply
    2,823.08x = 3,896.05 × 1,877.27
  4. Step 4: Simplify right side
    2,823.08x = 7,313,937.78
  5. Step 5: Solve for x
    x = 7,313,937.78/2,823.08
  6. Step 6: Final answer
    x = 2,590.77

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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.