Home / 1,282.66-1,923.30-460.48

Finding the Fourth Proportional to 1,282.66, 1,923.30 and 460.48

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Solution

The fourth proportional to 1,282.66, 1,923.30 and 460.48 is: 690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.66 : 1,923.30 = 460.48 : x
  2. Step 2: Convert to fraction form
    1,282.66/1,923.30 = 460.48/x
  3. Step 3: Cross multiply
    1,282.66x = 1,923.30 × 460.48
  4. Step 4: Simplify right side
    1,282.66x = 885,641.18
  5. Step 5: Solve for x
    x = 885,641.18/1,282.66
  6. Step 6: Final answer
    x = 690.47

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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.