Home / 3,307.66-4,564.32-1,815.34

Finding the Fourth Proportional to 3,307.66, 4,564.32 and 1,815.34

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Solution

The fourth proportional to 3,307.66, 4,564.32 and 1,815.34 is: 2,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.66 : 4,564.32 = 1,815.34 : x
  2. Step 2: Convert to fraction form
    3,307.66/4,564.32 = 1,815.34/x
  3. Step 3: Cross multiply
    3,307.66x = 4,564.32 × 1,815.34
  4. Step 4: Simplify right side
    3,307.66x = 8,285,792.67
  5. Step 5: Solve for x
    x = 8,285,792.67/3,307.66
  6. Step 6: Final answer
    x = 2,505.03

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1.5x scale

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.