Home / 3,264.31-4,477-3,130.39

Finding the Fourth Proportional to 3,264.31, 4,477 and 3,130.39

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Solution

The fourth proportional to 3,264.31, 4,477 and 3,130.39 is: 4,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.31 : 4,477 = 3,130.39 : x
  2. Step 2: Convert to fraction form
    3,264.31/4,477 = 3,130.39/x
  3. Step 3: Cross multiply
    3,264.31x = 4,477 × 3,130.39
  4. Step 4: Simplify right side
    3,264.31x = 14,014,756.03
  5. Step 5: Solve for x
    x = 14,014,756.03/3,264.31
  6. Step 6: Final answer
    x = 4,293.33

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.