Home / 2,663.36-3,675.19-1,666.90

Finding the Fourth Proportional to 2,663.36, 3,675.19 and 1,666.90

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Solution

The fourth proportional to 2,663.36, 3,675.19 and 1,666.90 is: 2,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.36 : 3,675.19 = 1,666.90 : x
  2. Step 2: Convert to fraction form
    2,663.36/3,675.19 = 1,666.90/x
  3. Step 3: Cross multiply
    2,663.36x = 3,675.19 × 1,666.90
  4. Step 4: Simplify right side
    2,663.36x = 6,126,181.07
  5. Step 5: Solve for x
    x = 6,126,181.07/2,663.36
  6. Step 6: Final answer
    x = 2,300.17

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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.