Home / 2,149.06-2,964.81-1,402.75

Finding the Fourth Proportional to 2,149.06, 2,964.81 and 1,402.75

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Solution

The fourth proportional to 2,149.06, 2,964.81 and 1,402.75 is: 1,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.06 : 2,964.81 = 1,402.75 : x
  2. Step 2: Convert to fraction form
    2,149.06/2,964.81 = 1,402.75/x
  3. Step 3: Cross multiply
    2,149.06x = 2,964.81 × 1,402.75
  4. Step 4: Simplify right side
    2,149.06x = 4,158,872.40
  5. Step 5: Solve for x
    x = 4,158,872.40/2,149.06
  6. Step 6: Final answer
    x = 1,935.21

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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.