Home / 3,026.07-4,171.71-2,140.32

Finding the Fourth Proportional to 3,026.07, 4,171.71 and 2,140.32

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Solution

The fourth proportional to 3,026.07, 4,171.71 and 2,140.32 is: 2,950.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.07 : 4,171.71 = 2,140.32 : x
  2. Step 2: Convert to fraction form
    3,026.07/4,171.71 = 2,140.32/x
  3. Step 3: Cross multiply
    3,026.07x = 4,171.71 × 2,140.32
  4. Step 4: Simplify right side
    3,026.07x = 8,928,794.35
  5. Step 5: Solve for x
    x = 8,928,794.35/3,026.07
  6. Step 6: Final answer
    x = 2,950.62

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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.