Home / 1,283.09-1,923.48-461.17

Finding the Fourth Proportional to 1,283.09, 1,923.48 and 461.17

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Solution

The fourth proportional to 1,283.09, 1,923.48 and 461.17 is: 691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.09 : 1,923.48 = 461.17 : x
  2. Step 2: Convert to fraction form
    1,283.09/1,923.48 = 461.17/x
  3. Step 3: Cross multiply
    1,283.09x = 1,923.48 × 461.17
  4. Step 4: Simplify right side
    1,283.09x = 887,053.68
  5. Step 5: Solve for x
    x = 887,053.68/1,283.09
  6. Step 6: Final answer
    x = 691.34

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1.5x scale

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.