Home / 3,756.09-5,632.94-1,290.32

Finding the Fourth Proportional to 3,756.09, 5,632.94 and 1,290.32

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Solution

The fourth proportional to 3,756.09, 5,632.94 and 1,290.32 is: 1,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.09 : 5,632.94 = 1,290.32 : x
  2. Step 2: Convert to fraction form
    3,756.09/5,632.94 = 1,290.32/x
  3. Step 3: Cross multiply
    3,756.09x = 5,632.94 × 1,290.32
  4. Step 4: Simplify right side
    3,756.09x = 7,268,291.33
  5. Step 5: Solve for x
    x = 7,268,291.33/3,756.09
  6. Step 6: Final answer
    x = 1,935.07

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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.