Home / 1,448.20-2,157.37-1,358.56

Finding the Fourth Proportional to 1,448.20, 2,157.37 and 1,358.56

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Solution

The fourth proportional to 1,448.20, 2,157.37 and 1,358.56 is: 2,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.20 : 2,157.37 = 1,358.56 : x
  2. Step 2: Convert to fraction form
    1,448.20/2,157.37 = 1,358.56/x
  3. Step 3: Cross multiply
    1,448.20x = 2,157.37 × 1,358.56
  4. Step 4: Simplify right side
    1,448.20x = 2,930,909.79
  5. Step 5: Solve for x
    x = 2,930,909.79/1,448.20
  6. Step 6: Final answer
    x = 2,023.83

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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.