Home / 1,454.08-2,007.20-982.25

Finding the Fourth Proportional to 1,454.08, 2,007.20 and 982.25

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Solution

The fourth proportional to 1,454.08, 2,007.20 and 982.25 is: 1,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.08 : 2,007.20 = 982.25 : x
  2. Step 2: Convert to fraction form
    1,454.08/2,007.20 = 982.25/x
  3. Step 3: Cross multiply
    1,454.08x = 2,007.20 × 982.25
  4. Step 4: Simplify right side
    1,454.08x = 1,971,567.29
  5. Step 5: Solve for x
    x = 1,971,567.29/1,454.08
  6. Step 6: Final answer
    x = 1,355.89

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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.