Home / 3,253.83-4,881.27-1,405.51

Finding the Fourth Proportional to 3,253.83, 4,881.27 and 1,405.51

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Solution

The fourth proportional to 3,253.83, 4,881.27 and 1,405.51 is: 2,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.83 : 4,881.27 = 1,405.51 : x
  2. Step 2: Convert to fraction form
    3,253.83/4,881.27 = 1,405.51/x
  3. Step 3: Cross multiply
    3,253.83x = 4,881.27 × 1,405.51
  4. Step 4: Simplify right side
    3,253.83x = 6,860,673.80
  5. Step 5: Solve for x
    x = 6,860,673.80/3,253.83
  6. Step 6: Final answer
    x = 2,108.49

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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.