Home / 3,464.28-4,779.51-1,971.82

Finding the Fourth Proportional to 3,464.28, 4,779.51 and 1,971.82

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Solution

The fourth proportional to 3,464.28, 4,779.51 and 1,971.82 is: 2,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.28 : 4,779.51 = 1,971.82 : x
  2. Step 2: Convert to fraction form
    3,464.28/4,779.51 = 1,971.82/x
  3. Step 3: Cross multiply
    3,464.28x = 4,779.51 × 1,971.82
  4. Step 4: Simplify right side
    3,464.28x = 9,424,309.51
  5. Step 5: Solve for x
    x = 9,424,309.51/3,464.28
  6. Step 6: Final answer
    x = 2,720.43

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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.