Home / 3,110.02-4,665.48-918.46

Finding the Fourth Proportional to 3,110.02, 4,665.48 and 918.46

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Solution

The fourth proportional to 3,110.02, 4,665.48 and 918.46 is: 1,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.02 : 4,665.48 = 918.46 : x
  2. Step 2: Convert to fraction form
    3,110.02/4,665.48 = 918.46/x
  3. Step 3: Cross multiply
    3,110.02x = 4,665.48 × 918.46
  4. Step 4: Simplify right side
    3,110.02x = 4,285,056.76
  5. Step 5: Solve for x
    x = 4,285,056.76/3,110.02
  6. Step 6: Final answer
    x = 1,377.82

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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.