Home / 1,282.16-1,923.50-460.37

Finding the Fourth Proportional to 1,282.16, 1,923.50 and 460.37

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Solution

The fourth proportional to 1,282.16, 1,923.50 and 460.37 is: 690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.16 : 1,923.50 = 460.37 : x
  2. Step 2: Convert to fraction form
    1,282.16/1,923.50 = 460.37/x
  3. Step 3: Cross multiply
    1,282.16x = 1,923.50 × 460.37
  4. Step 4: Simplify right side
    1,282.16x = 885,527.65
  5. Step 5: Solve for x
    x = 885,527.65/1,282.16
  6. Step 6: Final answer
    x = 690.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.