Home / 3,724.03-5,139.47-2,045.77

Finding the Fourth Proportional to 3,724.03, 5,139.47 and 2,045.77

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Solution

The fourth proportional to 3,724.03, 5,139.47 and 2,045.77 is: 2,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.03 : 5,139.47 = 2,045.77 : x
  2. Step 2: Convert to fraction form
    3,724.03/5,139.47 = 2,045.77/x
  3. Step 3: Cross multiply
    3,724.03x = 5,139.47 × 2,045.77
  4. Step 4: Simplify right side
    3,724.03x = 10,514,173.54
  5. Step 5: Solve for x
    x = 10,514,173.54/3,724.03
  6. Step 6: Final answer
    x = 2,823.33

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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.