Home / 2,032.19-3,048.44-645.47

Finding the Fourth Proportional to 2,032.19, 3,048.44 and 645.47

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Solution

The fourth proportional to 2,032.19, 3,048.44 and 645.47 is: 968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.19 : 3,048.44 = 645.47 : x
  2. Step 2: Convert to fraction form
    2,032.19/3,048.44 = 645.47/x
  3. Step 3: Cross multiply
    2,032.19x = 3,048.44 × 645.47
  4. Step 4: Simplify right side
    2,032.19x = 1,967,669.53
  5. Step 5: Solve for x
    x = 1,967,669.53/2,032.19
  6. Step 6: Final answer
    x = 968.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.