Home / 2,645.53-3,650.64-1,450.32

Finding the Fourth Proportional to 2,645.53, 3,650.64 and 1,450.32

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Solution

The fourth proportional to 2,645.53, 3,650.64 and 1,450.32 is: 2,001.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.53 : 3,650.64 = 1,450.32 : x
  2. Step 2: Convert to fraction form
    2,645.53/3,650.64 = 1,450.32/x
  3. Step 3: Cross multiply
    2,645.53x = 3,650.64 × 1,450.32
  4. Step 4: Simplify right side
    2,645.53x = 5,294,601.71
  5. Step 5: Solve for x
    x = 5,294,601.71/2,645.53
  6. Step 6: Final answer
    x = 2,001.34

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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.