Home / 2,543.23-3,815.66-2,347.75

Finding the Fourth Proportional to 2,543.23, 3,815.66 and 2,347.75

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Solution

The fourth proportional to 2,543.23, 3,815.66 and 2,347.75 is: 3,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.23 : 3,815.66 = 2,347.75 : x
  2. Step 2: Convert to fraction form
    2,543.23/3,815.66 = 2,347.75/x
  3. Step 3: Cross multiply
    2,543.23x = 3,815.66 × 2,347.75
  4. Step 4: Simplify right side
    2,543.23x = 8,958,215.77
  5. Step 5: Solve for x
    x = 8,958,215.77/2,543.23
  6. Step 6: Final answer
    x = 3,522.38

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1.5x scale

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.