Home / 3,036.09-4,189.43-1,776.90

Finding the Fourth Proportional to 3,036.09, 4,189.43 and 1,776.90

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Solution

The fourth proportional to 3,036.09, 4,189.43 and 1,776.90 is: 2,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.09 : 4,189.43 = 1,776.90 : x
  2. Step 2: Convert to fraction form
    3,036.09/4,189.43 = 1,776.90/x
  3. Step 3: Cross multiply
    3,036.09x = 4,189.43 × 1,776.90
  4. Step 4: Simplify right side
    3,036.09x = 7,444,189.28
  5. Step 5: Solve for x
    x = 7,444,189.28/3,036.09
  6. Step 6: Final answer
    x = 2,451.90

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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.