Home / 2,071.44-2,859.48-1,407.96

Finding the Fourth Proportional to 2,071.44, 2,859.48 and 1,407.96

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Solution

The fourth proportional to 2,071.44, 2,859.48 and 1,407.96 is: 1,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.44 : 2,859.48 = 1,407.96 : x
  2. Step 2: Convert to fraction form
    2,071.44/2,859.48 = 1,407.96/x
  3. Step 3: Cross multiply
    2,071.44x = 2,859.48 × 1,407.96
  4. Step 4: Simplify right side
    2,071.44x = 4,026,033.46
  5. Step 5: Solve for x
    x = 4,026,033.46/2,071.44
  6. Step 6: Final answer
    x = 1,943.59

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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.