Home / 3,103.16-4,655.75-1,253.32

Finding the Fourth Proportional to 3,103.16, 4,655.75 and 1,253.32

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Solution

The fourth proportional to 3,103.16, 4,655.75 and 1,253.32 is: 1,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.16 : 4,655.75 = 1,253.32 : x
  2. Step 2: Convert to fraction form
    3,103.16/4,655.75 = 1,253.32/x
  3. Step 3: Cross multiply
    3,103.16x = 4,655.75 × 1,253.32
  4. Step 4: Simplify right side
    3,103.16x = 5,835,126.68
  5. Step 5: Solve for x
    x = 5,835,126.68/3,103.16
  6. Step 6: Final answer
    x = 1,880.39

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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.