Home / 2,412.54-3,620.07-1,316.70

Finding the Fourth Proportional to 2,412.54, 3,620.07 and 1,316.70

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Solution

The fourth proportional to 2,412.54, 3,620.07 and 1,316.70 is: 1,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.54 : 3,620.07 = 1,316.70 : x
  2. Step 2: Convert to fraction form
    2,412.54/3,620.07 = 1,316.70/x
  3. Step 3: Cross multiply
    2,412.54x = 3,620.07 × 1,316.70
  4. Step 4: Simplify right side
    2,412.54x = 4,766,546.17
  5. Step 5: Solve for x
    x = 4,766,546.17/2,412.54
  6. Step 6: Final answer
    x = 1,975.74

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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.