Home / 2,961.30-4,443.30-1,400.70

Finding the Fourth Proportional to 2,961.30, 4,443.30 and 1,400.70

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Solution

The fourth proportional to 2,961.30, 4,443.30 and 1,400.70 is: 2,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.30 : 4,443.30 = 1,400.70 : x
  2. Step 2: Convert to fraction form
    2,961.30/4,443.30 = 1,400.70/x
  3. Step 3: Cross multiply
    2,961.30x = 4,443.30 × 1,400.70
  4. Step 4: Simplify right side
    2,961.30x = 6,223,730.31
  5. Step 5: Solve for x
    x = 6,223,730.31/2,961.30
  6. Step 6: Final answer
    x = 2,101.69

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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.