Home / 2,960.12-4,430.37-1,641.80

Finding the Fourth Proportional to 2,960.12, 4,430.37 and 1,641.80

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Solution

The fourth proportional to 2,960.12, 4,430.37 and 1,641.80 is: 2,457.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.12 : 4,430.37 = 1,641.80 : x
  2. Step 2: Convert to fraction form
    2,960.12/4,430.37 = 1,641.80/x
  3. Step 3: Cross multiply
    2,960.12x = 4,430.37 × 1,641.80
  4. Step 4: Simplify right side
    2,960.12x = 7,273,781.47
  5. Step 5: Solve for x
    x = 7,273,781.47/2,960.12
  6. Step 6: Final answer
    x = 2,457.26

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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.