Home / 1,953.19-2,695.42-1,206.98

Finding the Fourth Proportional to 1,953.19, 2,695.42 and 1,206.98

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Solution

The fourth proportional to 1,953.19, 2,695.42 and 1,206.98 is: 1,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.19 : 2,695.42 = 1,206.98 : x
  2. Step 2: Convert to fraction form
    1,953.19/2,695.42 = 1,206.98/x
  3. Step 3: Cross multiply
    1,953.19x = 2,695.42 × 1,206.98
  4. Step 4: Simplify right side
    1,953.19x = 3,253,318.03
  5. Step 5: Solve for x
    x = 3,253,318.03/1,953.19
  6. Step 6: Final answer
    x = 1,665.64

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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.