Home / 1,266.58-1,901.04-943.36

Finding the Fourth Proportional to 1,266.58, 1,901.04 and 943.36

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Solution

The fourth proportional to 1,266.58, 1,901.04 and 943.36 is: 1,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.58 : 1,901.04 = 943.36 : x
  2. Step 2: Convert to fraction form
    1,266.58/1,901.04 = 943.36/x
  3. Step 3: Cross multiply
    1,266.58x = 1,901.04 × 943.36
  4. Step 4: Simplify right side
    1,266.58x = 1,793,365.09
  5. Step 5: Solve for x
    x = 1,793,365.09/1,266.58
  6. Step 6: Final answer
    x = 1,415.91

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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.