Home / 1,669.08-2,503.76-1,090.76

Finding the Fourth Proportional to 1,669.08, 2,503.76 and 1,090.76

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Solution

The fourth proportional to 1,669.08, 2,503.76 and 1,090.76 is: 1,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.08 : 2,503.76 = 1,090.76 : x
  2. Step 2: Convert to fraction form
    1,669.08/2,503.76 = 1,090.76/x
  3. Step 3: Cross multiply
    1,669.08x = 2,503.76 × 1,090.76
  4. Step 4: Simplify right side
    1,669.08x = 2,731,001.26
  5. Step 5: Solve for x
    x = 2,731,001.26/1,669.08
  6. Step 6: Final answer
    x = 1,636.23

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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.