Home / 2,920.70-4,377.39-1,460.27

Finding the Fourth Proportional to 2,920.70, 4,377.39 and 1,460.27

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Solution

The fourth proportional to 2,920.70, 4,377.39 and 1,460.27 is: 2,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.70 : 4,377.39 = 1,460.27 : x
  2. Step 2: Convert to fraction form
    2,920.70/4,377.39 = 1,460.27/x
  3. Step 3: Cross multiply
    2,920.70x = 4,377.39 × 1,460.27
  4. Step 4: Simplify right side
    2,920.70x = 6,392,171.30
  5. Step 5: Solve for x
    x = 6,392,171.30/2,920.70
  6. Step 6: Final answer
    x = 2,188.58

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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.