Home / 1,964.16-2,710.80-1,267.56

Finding the Fourth Proportional to 1,964.16, 2,710.80 and 1,267.56

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Solution

The fourth proportional to 1,964.16, 2,710.80 and 1,267.56 is: 1,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.16 : 2,710.80 = 1,267.56 : x
  2. Step 2: Convert to fraction form
    1,964.16/2,710.80 = 1,267.56/x
  3. Step 3: Cross multiply
    1,964.16x = 2,710.80 × 1,267.56
  4. Step 4: Simplify right side
    1,964.16x = 3,436,101.65
  5. Step 5: Solve for x
    x = 3,436,101.65/1,964.16
  6. Step 6: Final answer
    x = 1,749.40

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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.