Home / 2,269.26-3,405.70-1,543.90

Finding the Fourth Proportional to 2,269.26, 3,405.70 and 1,543.90

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Solution

The fourth proportional to 2,269.26, 3,405.70 and 1,543.90 is: 2,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.26 : 3,405.70 = 1,543.90 : x
  2. Step 2: Convert to fraction form
    2,269.26/3,405.70 = 1,543.90/x
  3. Step 3: Cross multiply
    2,269.26x = 3,405.70 × 1,543.90
  4. Step 4: Simplify right side
    2,269.26x = 5,258,060.23
  5. Step 5: Solve for x
    x = 5,258,060.23/2,269.26
  6. Step 6: Final answer
    x = 2,317.08

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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.