Home / 2,316.25-3,472.84-1,276.75

Finding the Fourth Proportional to 2,316.25, 3,472.84 and 1,276.75

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Solution

The fourth proportional to 2,316.25, 3,472.84 and 1,276.75 is: 1,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.25 : 3,472.84 = 1,276.75 : x
  2. Step 2: Convert to fraction form
    2,316.25/3,472.84 = 1,276.75/x
  3. Step 3: Cross multiply
    2,316.25x = 3,472.84 × 1,276.75
  4. Step 4: Simplify right side
    2,316.25x = 4,433,924.72
  5. Step 5: Solve for x
    x = 4,433,924.72/2,316.25
  6. Step 6: Final answer
    x = 1,914.27

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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.