Home / 1,455.04-2,010.22-957.48

Finding the Fourth Proportional to 1,455.04, 2,010.22 and 957.48

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Solution

The fourth proportional to 1,455.04, 2,010.22 and 957.48 is: 1,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.04 : 2,010.22 = 957.48 : x
  2. Step 2: Convert to fraction form
    1,455.04/2,010.22 = 957.48/x
  3. Step 3: Cross multiply
    1,455.04x = 2,010.22 × 957.48
  4. Step 4: Simplify right side
    1,455.04x = 1,924,745.45
  5. Step 5: Solve for x
    x = 1,924,745.45/1,455.04
  6. Step 6: Final answer
    x = 1,322.81

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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.