Home / 1,126.08-1,553.73-654.03

Finding the Fourth Proportional to 1,126.08, 1,553.73 and 654.03

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Solution

The fourth proportional to 1,126.08, 1,553.73 and 654.03 is: 902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.08 : 1,553.73 = 654.03 : x
  2. Step 2: Convert to fraction form
    1,126.08/1,553.73 = 654.03/x
  3. Step 3: Cross multiply
    1,126.08x = 1,553.73 × 654.03
  4. Step 4: Simplify right side
    1,126.08x = 1,016,186.03
  5. Step 5: Solve for x
    x = 1,016,186.03/1,126.08
  6. Step 6: Final answer
    x = 902.41

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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.