Home / 3,417.48-5,126.40-1,109.04

Finding the Fourth Proportional to 3,417.48, 5,126.40 and 1,109.04

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Solution

The fourth proportional to 3,417.48, 5,126.40 and 1,109.04 is: 1,663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.48 : 5,126.40 = 1,109.04 : x
  2. Step 2: Convert to fraction form
    3,417.48/5,126.40 = 1,109.04/x
  3. Step 3: Cross multiply
    3,417.48x = 5,126.40 × 1,109.04
  4. Step 4: Simplify right side
    3,417.48x = 5,685,382.66
  5. Step 5: Solve for x
    x = 5,685,382.66/3,417.48
  6. Step 6: Final answer
    x = 1,663.62

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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.