Home / 2,961.09-4,439.61-1,400.22

Finding the Fourth Proportional to 2,961.09, 4,439.61 and 1,400.22

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Solution

The fourth proportional to 2,961.09, 4,439.61 and 1,400.22 is: 2,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.09 : 4,439.61 = 1,400.22 : x
  2. Step 2: Convert to fraction form
    2,961.09/4,439.61 = 1,400.22/x
  3. Step 3: Cross multiply
    2,961.09x = 4,439.61 × 1,400.22
  4. Step 4: Simplify right side
    2,961.09x = 6,216,430.71
  5. Step 5: Solve for x
    x = 6,216,430.71/2,961.09
  6. Step 6: Final answer
    x = 2,099.37

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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.