Home / 3,156.43-4,355.56-1,830.58

Finding the Fourth Proportional to 3,156.43, 4,355.56 and 1,830.58

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Solution

The fourth proportional to 3,156.43, 4,355.56 and 1,830.58 is: 2,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.43 : 4,355.56 = 1,830.58 : x
  2. Step 2: Convert to fraction form
    3,156.43/4,355.56 = 1,830.58/x
  3. Step 3: Cross multiply
    3,156.43x = 4,355.56 × 1,830.58
  4. Step 4: Simplify right side
    3,156.43x = 7,973,201.02
  5. Step 5: Solve for x
    x = 7,973,201.02/3,156.43
  6. Step 6: Final answer
    x = 2,526.02

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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.