Home / 2,360.48-3,538.22-1,127.28

Finding the Fourth Proportional to 2,360.48, 3,538.22 and 1,127.28

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Solution

The fourth proportional to 2,360.48, 3,538.22 and 1,127.28 is: 1,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.48 : 3,538.22 = 1,127.28 : x
  2. Step 2: Convert to fraction form
    2,360.48/3,538.22 = 1,127.28/x
  3. Step 3: Cross multiply
    2,360.48x = 3,538.22 × 1,127.28
  4. Step 4: Simplify right side
    2,360.48x = 3,988,564.64
  5. Step 5: Solve for x
    x = 3,988,564.64/2,360.48
  6. Step 6: Final answer
    x = 1,689.73

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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.