Home / 1,218.76-1,829.82-1,037.32

Finding the Fourth Proportional to 1,218.76, 1,829.82 and 1,037.32

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Solution

The fourth proportional to 1,218.76, 1,829.82 and 1,037.32 is: 1,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.76 : 1,829.82 = 1,037.32 : x
  2. Step 2: Convert to fraction form
    1,218.76/1,829.82 = 1,037.32/x
  3. Step 3: Cross multiply
    1,218.76x = 1,829.82 × 1,037.32
  4. Step 4: Simplify right side
    1,218.76x = 1,898,108.88
  5. Step 5: Solve for x
    x = 1,898,108.88/1,218.76
  6. Step 6: Final answer
    x = 1,557.41

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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.