Home / 1,301.44-1,799.40-1,072.48

Finding the Fourth Proportional to 1,301.44, 1,799.40 and 1,072.48

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Solution

The fourth proportional to 1,301.44, 1,799.40 and 1,072.48 is: 1,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.44 : 1,799.40 = 1,072.48 : x
  2. Step 2: Convert to fraction form
    1,301.44/1,799.40 = 1,072.48/x
  3. Step 3: Cross multiply
    1,301.44x = 1,799.40 × 1,072.48
  4. Step 4: Simplify right side
    1,301.44x = 1,929,820.51
  5. Step 5: Solve for x
    x = 1,929,820.51/1,301.44
  6. Step 6: Final answer
    x = 1,482.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.