Home / 1,772.10-2,445.32-1,352.73

Finding the Fourth Proportional to 1,772.10, 2,445.32 and 1,352.73

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Solution

The fourth proportional to 1,772.10, 2,445.32 and 1,352.73 is: 1,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.10 : 2,445.32 = 1,352.73 : x
  2. Step 2: Convert to fraction form
    1,772.10/2,445.32 = 1,352.73/x
  3. Step 3: Cross multiply
    1,772.10x = 2,445.32 × 1,352.73
  4. Step 4: Simplify right side
    1,772.10x = 3,307,850.96
  5. Step 5: Solve for x
    x = 3,307,850.96/1,772.10
  6. Step 6: Final answer
    x = 1,866.63

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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.