Home / 1,471.35-2,217.60-1,268.37

Finding the Fourth Proportional to 1,471.35, 2,217.60 and 1,268.37

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Solution

The fourth proportional to 1,471.35, 2,217.60 and 1,268.37 is: 1,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.35 : 2,217.60 = 1,268.37 : x
  2. Step 2: Convert to fraction form
    1,471.35/2,217.60 = 1,268.37/x
  3. Step 3: Cross multiply
    1,471.35x = 2,217.60 × 1,268.37
  4. Step 4: Simplify right side
    1,471.35x = 2,812,737.31
  5. Step 5: Solve for x
    x = 2,812,737.31/1,471.35
  6. Step 6: Final answer
    x = 1,911.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.