Home / 3,307.64-4,564.56-1,815.56

Finding the Fourth Proportional to 3,307.64, 4,564.56 and 1,815.56

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Solution

The fourth proportional to 3,307.64, 4,564.56 and 1,815.56 is: 2,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.64 : 4,564.56 = 1,815.56 : x
  2. Step 2: Convert to fraction form
    3,307.64/4,564.56 = 1,815.56/x
  3. Step 3: Cross multiply
    3,307.64x = 4,564.56 × 1,815.56
  4. Step 4: Simplify right side
    3,307.64x = 8,287,232.55
  5. Step 5: Solve for x
    x = 8,287,232.55/3,307.64
  6. Step 6: Final answer
    x = 2,505.48

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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.