Home / 2,316.40-3,476.22-2,112.28

Finding the Fourth Proportional to 2,316.40, 3,476.22 and 2,112.28

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Solution

The fourth proportional to 2,316.40, 3,476.22 and 2,112.28 is: 3,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.40 : 3,476.22 = 2,112.28 : x
  2. Step 2: Convert to fraction form
    2,316.40/3,476.22 = 2,112.28/x
  3. Step 3: Cross multiply
    2,316.40x = 3,476.22 × 2,112.28
  4. Step 4: Simplify right side
    2,316.40x = 7,342,749.98
  5. Step 5: Solve for x
    x = 7,342,749.98/2,316.40
  6. Step 6: Final answer
    x = 3,169.90

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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.