Home / 3,820.19-5,730.59-1,223.13

Finding the Fourth Proportional to 3,820.19, 5,730.59 and 1,223.13

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Solution

The fourth proportional to 3,820.19, 5,730.59 and 1,223.13 is: 1,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.19 : 5,730.59 = 1,223.13 : x
  2. Step 2: Convert to fraction form
    3,820.19/5,730.59 = 1,223.13/x
  3. Step 3: Cross multiply
    3,820.19x = 5,730.59 × 1,223.13
  4. Step 4: Simplify right side
    3,820.19x = 7,009,256.55
  5. Step 5: Solve for x
    x = 7,009,256.55/3,820.19
  6. Step 6: Final answer
    x = 1,834.79

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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.