Home / 3,087.36-4,636.14-2,931.48

Finding the Fourth Proportional to 3,087.36, 4,636.14 and 2,931.48

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Solution

The fourth proportional to 3,087.36, 4,636.14 and 2,931.48 is: 4,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.36 : 4,636.14 = 2,931.48 : x
  2. Step 2: Convert to fraction form
    3,087.36/4,636.14 = 2,931.48/x
  3. Step 3: Cross multiply
    3,087.36x = 4,636.14 × 2,931.48
  4. Step 4: Simplify right side
    3,087.36x = 13,590,751.69
  5. Step 5: Solve for x
    x = 13,590,751.69/3,087.36
  6. Step 6: Final answer
    x = 4,402.06

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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.