Home / 2,152.77-2,971.94-1,673.16

Finding the Fourth Proportional to 2,152.77, 2,971.94 and 1,673.16

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Solution

The fourth proportional to 2,152.77, 2,971.94 and 1,673.16 is: 2,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.77 : 2,971.94 = 1,673.16 : x
  2. Step 2: Convert to fraction form
    2,152.77/2,971.94 = 1,673.16/x
  3. Step 3: Cross multiply
    2,152.77x = 2,971.94 × 1,673.16
  4. Step 4: Simplify right side
    2,152.77x = 4,972,531.13
  5. Step 5: Solve for x
    x = 4,972,531.13/2,152.77
  6. Step 6: Final answer
    x = 2,309.83

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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.