Home / 1,967.24-2,712.96-1,330.63

Finding the Fourth Proportional to 1,967.24, 2,712.96 and 1,330.63

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Solution

The fourth proportional to 1,967.24, 2,712.96 and 1,330.63 is: 1,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.24 : 2,712.96 = 1,330.63 : x
  2. Step 2: Convert to fraction form
    1,967.24/2,712.96 = 1,330.63/x
  3. Step 3: Cross multiply
    1,967.24x = 2,712.96 × 1,330.63
  4. Step 4: Simplify right side
    1,967.24x = 3,609,939.18
  5. Step 5: Solve for x
    x = 3,609,939.18/1,967.24
  6. Step 6: Final answer
    x = 1,835.03

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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.