Home / 2,447.70-3,666.93-1,214.45

Finding the Fourth Proportional to 2,447.70, 3,666.93 and 1,214.45

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Solution

The fourth proportional to 2,447.70, 3,666.93 and 1,214.45 is: 1,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.70 : 3,666.93 = 1,214.45 : x
  2. Step 2: Convert to fraction form
    2,447.70/3,666.93 = 1,214.45/x
  3. Step 3: Cross multiply
    2,447.70x = 3,666.93 × 1,214.45
  4. Step 4: Simplify right side
    2,447.70x = 4,453,284.80
  5. Step 5: Solve for x
    x = 4,453,284.80/2,447.70
  6. Step 6: Final answer
    x = 1,819.38

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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.