Home / 3,165.63-4,749.33-1,316.40

Finding the Fourth Proportional to 3,165.63, 4,749.33 and 1,316.40

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Solution

The fourth proportional to 3,165.63, 4,749.33 and 1,316.40 is: 1,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.63 : 4,749.33 = 1,316.40 : x
  2. Step 2: Convert to fraction form
    3,165.63/4,749.33 = 1,316.40/x
  3. Step 3: Cross multiply
    3,165.63x = 4,749.33 × 1,316.40
  4. Step 4: Simplify right side
    3,165.63x = 6,252,018.01
  5. Step 5: Solve for x
    x = 6,252,018.01/3,165.63
  6. Step 6: Final answer
    x = 1,974.97

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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.