Home / 3,036.24-4,189.80-1,794

Finding the Fourth Proportional to 3,036.24, 4,189.80 and 1,794

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Solution

The fourth proportional to 3,036.24, 4,189.80 and 1,794 is: 2,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.24 : 4,189.80 = 1,794 : x
  2. Step 2: Convert to fraction form
    3,036.24/4,189.80 = 1,794/x
  3. Step 3: Cross multiply
    3,036.24x = 4,189.80 × 1,794
  4. Step 4: Simplify right side
    3,036.24x = 7,516,501.20
  5. Step 5: Solve for x
    x = 7,516,501.20/3,036.24
  6. Step 6: Final answer
    x = 2,475.60

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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.