Home / 3,641.58-5,027.70-2,800.68

Finding the Fourth Proportional to 3,641.58, 5,027.70 and 2,800.68

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Solution

The fourth proportional to 3,641.58, 5,027.70 and 2,800.68 is: 3,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.58 : 5,027.70 = 2,800.68 : x
  2. Step 2: Convert to fraction form
    3,641.58/5,027.70 = 2,800.68/x
  3. Step 3: Cross multiply
    3,641.58x = 5,027.70 × 2,800.68
  4. Step 4: Simplify right side
    3,641.58x = 14,080,978.84
  5. Step 5: Solve for x
    x = 14,080,978.84/3,641.58
  6. Step 6: Final answer
    x = 3,866.72

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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.