Home / 2,032.16-3,048.56-645.49

Finding the Fourth Proportional to 2,032.16, 3,048.56 and 645.49

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Solution

The fourth proportional to 2,032.16, 3,048.56 and 645.49 is: 968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.16 : 3,048.56 = 645.49 : x
  2. Step 2: Convert to fraction form
    2,032.16/3,048.56 = 645.49/x
  3. Step 3: Cross multiply
    2,032.16x = 3,048.56 × 645.49
  4. Step 4: Simplify right side
    2,032.16x = 1,967,808.99
  5. Step 5: Solve for x
    x = 1,967,808.99/2,032.16
  6. Step 6: Final answer
    x = 968.34

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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.