Home / 2,368.24-3,268.90-1,621.90

Finding the Fourth Proportional to 2,368.24, 3,268.90 and 1,621.90

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Solution

The fourth proportional to 2,368.24, 3,268.90 and 1,621.90 is: 2,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.24 : 3,268.90 = 1,621.90 : x
  2. Step 2: Convert to fraction form
    2,368.24/3,268.90 = 1,621.90/x
  3. Step 3: Cross multiply
    2,368.24x = 3,268.90 × 1,621.90
  4. Step 4: Simplify right side
    2,368.24x = 5,301,828.91
  5. Step 5: Solve for x
    x = 5,301,828.91/2,368.24
  6. Step 6: Final answer
    x = 2,238.72

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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.