Home / 1,137.16-1,576.52-1,097.11

Finding the Fourth Proportional to 1,137.16, 1,576.52 and 1,097.11

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Solution

The fourth proportional to 1,137.16, 1,576.52 and 1,097.11 is: 1,521.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137.16 : 1,576.52 = 1,097.11 : x
  2. Step 2: Convert to fraction form
    1,137.16/1,576.52 = 1,097.11/x
  3. Step 3: Cross multiply
    1,137.16x = 1,576.52 × 1,097.11
  4. Step 4: Simplify right side
    1,137.16x = 1,729,615.86
  5. Step 5: Solve for x
    x = 1,729,615.86/1,137.16
  6. Step 6: Final answer
    x = 1,521.00

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.