Home / 2,467.88-3,405.48-1,420.02

Finding the Fourth Proportional to 2,467.88, 3,405.48 and 1,420.02

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Solution

The fourth proportional to 2,467.88, 3,405.48 and 1,420.02 is: 1,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467.88 : 3,405.48 = 1,420.02 : x
  2. Step 2: Convert to fraction form
    2,467.88/3,405.48 = 1,420.02/x
  3. Step 3: Cross multiply
    2,467.88x = 3,405.48 × 1,420.02
  4. Step 4: Simplify right side
    2,467.88x = 4,835,849.71
  5. Step 5: Solve for x
    x = 4,835,849.71/2,467.88
  6. Step 6: Final answer
    x = 1,959.52

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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.