Home / 3,739.81-5,160.87-2,061.23

Finding the Fourth Proportional to 3,739.81, 5,160.87 and 2,061.23

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Solution

The fourth proportional to 3,739.81, 5,160.87 and 2,061.23 is: 2,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.81 : 5,160.87 = 2,061.23 : x
  2. Step 2: Convert to fraction form
    3,739.81/5,160.87 = 2,061.23/x
  3. Step 3: Cross multiply
    3,739.81x = 5,160.87 × 2,061.23
  4. Step 4: Simplify right side
    3,739.81x = 10,637,720.06
  5. Step 5: Solve for x
    x = 10,637,720.06/3,739.81
  6. Step 6: Final answer
    x = 2,844.45

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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.