Home / 3,762.36-5,637.24-2,661.30

Finding the Fourth Proportional to 3,762.36, 5,637.24 and 2,661.30

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Solution

The fourth proportional to 3,762.36, 5,637.24 and 2,661.30 is: 3,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.36 : 5,637.24 = 2,661.30 : x
  2. Step 2: Convert to fraction form
    3,762.36/5,637.24 = 2,661.30/x
  3. Step 3: Cross multiply
    3,762.36x = 5,637.24 × 2,661.30
  4. Step 4: Simplify right side
    3,762.36x = 15,002,386.81
  5. Step 5: Solve for x
    x = 15,002,386.81/3,762.36
  6. Step 6: Final answer
    x = 3,987.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.