Home / 3,622.57-4,997.40-2,130.41

Finding the Fourth Proportional to 3,622.57, 4,997.40 and 2,130.41

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Solution

The fourth proportional to 3,622.57, 4,997.40 and 2,130.41 is: 2,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.57 : 4,997.40 = 2,130.41 : x
  2. Step 2: Convert to fraction form
    3,622.57/4,997.40 = 2,130.41/x
  3. Step 3: Cross multiply
    3,622.57x = 4,997.40 × 2,130.41
  4. Step 4: Simplify right side
    3,622.57x = 10,646,510.93
  5. Step 5: Solve for x
    x = 10,646,510.93/3,622.57
  6. Step 6: Final answer
    x = 2,938.94

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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.