Home / 3,724.33-5,139.58-2,045.85

Finding the Fourth Proportional to 3,724.33, 5,139.58 and 2,045.85

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Solution

The fourth proportional to 3,724.33, 5,139.58 and 2,045.85 is: 2,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.33 : 5,139.58 = 2,045.85 : x
  2. Step 2: Convert to fraction form
    3,724.33/5,139.58 = 2,045.85/x
  3. Step 3: Cross multiply
    3,724.33x = 5,139.58 × 2,045.85
  4. Step 4: Simplify right side
    3,724.33x = 10,514,809.74
  5. Step 5: Solve for x
    x = 10,514,809.74/3,724.33
  6. Step 6: Final answer
    x = 2,823.28

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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.