Home / 3,129.70-4,316.03-2,334.93

Finding the Fourth Proportional to 3,129.70, 4,316.03 and 2,334.93

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Solution

The fourth proportional to 3,129.70, 4,316.03 and 2,334.93 is: 3,220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.70 : 4,316.03 = 2,334.93 : x
  2. Step 2: Convert to fraction form
    3,129.70/4,316.03 = 2,334.93/x
  3. Step 3: Cross multiply
    3,129.70x = 4,316.03 × 2,334.93
  4. Step 4: Simplify right side
    3,129.70x = 10,077,627.93
  5. Step 5: Solve for x
    x = 10,077,627.93/3,129.70
  6. Step 6: Final answer
    x = 3,220.00

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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.