Home / 3,018.60-4,160.43-2,271.24

Finding the Fourth Proportional to 3,018.60, 4,160.43 and 2,271.24

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Solution

The fourth proportional to 3,018.60, 4,160.43 and 2,271.24 is: 3,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.60 : 4,160.43 = 2,271.24 : x
  2. Step 2: Convert to fraction form
    3,018.60/4,160.43 = 2,271.24/x
  3. Step 3: Cross multiply
    3,018.60x = 4,160.43 × 2,271.24
  4. Step 4: Simplify right side
    3,018.60x = 9,449,335.03
  5. Step 5: Solve for x
    x = 9,449,335.03/3,018.60
  6. Step 6: Final answer
    x = 3,130.37

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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.