Home / 3,701.37-5,109.03-2,130.51

Finding the Fourth Proportional to 3,701.37, 5,109.03 and 2,130.51

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Solution

The fourth proportional to 3,701.37, 5,109.03 and 2,130.51 is: 2,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.37 : 5,109.03 = 2,130.51 : x
  2. Step 2: Convert to fraction form
    3,701.37/5,109.03 = 2,130.51/x
  3. Step 3: Cross multiply
    3,701.37x = 5,109.03 × 2,130.51
  4. Step 4: Simplify right side
    3,701.37x = 10,884,839.51
  5. Step 5: Solve for x
    x = 10,884,839.51/3,701.37
  6. Step 6: Final answer
    x = 2,940.76

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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.