Home / 3,463.36-4,779.81-1,971.54

Finding the Fourth Proportional to 3,463.36, 4,779.81 and 1,971.54

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Solution

The fourth proportional to 3,463.36, 4,779.81 and 1,971.54 is: 2,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.36 : 4,779.81 = 1,971.54 : x
  2. Step 2: Convert to fraction form
    3,463.36/4,779.81 = 1,971.54/x
  3. Step 3: Cross multiply
    3,463.36x = 4,779.81 × 1,971.54
  4. Step 4: Simplify right side
    3,463.36x = 9,423,586.61
  5. Step 5: Solve for x
    x = 9,423,586.61/3,463.36
  6. Step 6: Final answer
    x = 2,720.94

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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.