Home / 1,450.28-2,157.98-1,445.42

Finding the Fourth Proportional to 1,450.28, 2,157.98 and 1,445.42

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Solution

The fourth proportional to 1,450.28, 2,157.98 and 1,445.42 is: 2,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.28 : 2,157.98 = 1,445.42 : x
  2. Step 2: Convert to fraction form
    1,450.28/2,157.98 = 1,445.42/x
  3. Step 3: Cross multiply
    1,450.28x = 2,157.98 × 1,445.42
  4. Step 4: Simplify right side
    1,450.28x = 3,119,185.62
  5. Step 5: Solve for x
    x = 3,119,185.62/1,450.28
  6. Step 6: Final answer
    x = 2,150.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.