Home / 3,701.62-5,108.24-2,130.02

Finding the Fourth Proportional to 3,701.62, 5,108.24 and 2,130.02

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Solution

The fourth proportional to 3,701.62, 5,108.24 and 2,130.02 is: 2,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.62 : 5,108.24 = 2,130.02 : x
  2. Step 2: Convert to fraction form
    3,701.62/5,108.24 = 2,130.02/x
  3. Step 3: Cross multiply
    3,701.62x = 5,108.24 × 2,130.02
  4. Step 4: Simplify right side
    3,701.62x = 10,880,653.36
  5. Step 5: Solve for x
    x = 10,880,653.36/3,701.62
  6. Step 6: Final answer
    x = 2,939.43

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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.