Home / 3,130.85-4,696.43-2,582.03

Finding the Fourth Proportional to 3,130.85, 4,696.43 and 2,582.03

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Solution

The fourth proportional to 3,130.85, 4,696.43 and 2,582.03 is: 3,873.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.85 : 4,696.43 = 2,582.03 : x
  2. Step 2: Convert to fraction form
    3,130.85/4,696.43 = 2,582.03/x
  3. Step 3: Cross multiply
    3,130.85x = 4,696.43 × 2,582.03
  4. Step 4: Simplify right side
    3,130.85x = 12,126,323.15
  5. Step 5: Solve for x
    x = 12,126,323.15/3,130.85
  6. Step 6: Final answer
    x = 3,873.17

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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.