Home / 1,929.50-2,662.70-1,090.48

Finding the Fourth Proportional to 1,929.50, 2,662.70 and 1,090.48

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Solution

The fourth proportional to 1,929.50, 2,662.70 and 1,090.48 is: 1,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.50 : 2,662.70 = 1,090.48 : x
  2. Step 2: Convert to fraction form
    1,929.50/2,662.70 = 1,090.48/x
  3. Step 3: Cross multiply
    1,929.50x = 2,662.70 × 1,090.48
  4. Step 4: Simplify right side
    1,929.50x = 2,903,617.17
  5. Step 5: Solve for x
    x = 2,903,617.17/1,929.50
  6. Step 6: Final answer
    x = 1,504.85

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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.