Home / 2,626.40-3,624.26-1,447.47

Finding the Fourth Proportional to 2,626.40, 3,624.26 and 1,447.47

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Solution

The fourth proportional to 2,626.40, 3,624.26 and 1,447.47 is: 1,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.40 : 3,624.26 = 1,447.47 : x
  2. Step 2: Convert to fraction form
    2,626.40/3,624.26 = 1,447.47/x
  3. Step 3: Cross multiply
    2,626.40x = 3,624.26 × 1,447.47
  4. Step 4: Simplify right side
    2,626.40x = 5,246,011.24
  5. Step 5: Solve for x
    x = 5,246,011.24/2,626.40
  6. Step 6: Final answer
    x = 1,997.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.