Home / 1,283.31-1,913.64-1,182.33

Finding the Fourth Proportional to 1,283.31, 1,913.64 and 1,182.33

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Solution

The fourth proportional to 1,283.31, 1,913.64 and 1,182.33 is: 1,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.31 : 1,913.64 = 1,182.33 : x
  2. Step 2: Convert to fraction form
    1,283.31/1,913.64 = 1,182.33/x
  3. Step 3: Cross multiply
    1,283.31x = 1,913.64 × 1,182.33
  4. Step 4: Simplify right side
    1,283.31x = 2,262,553.98
  5. Step 5: Solve for x
    x = 2,262,553.98/1,283.31
  6. Step 6: Final answer
    x = 1,763.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.