Home / 2,168.08-2,988.84-1,546

Finding the Fourth Proportional to 2,168.08, 2,988.84 and 1,546

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Solution

The fourth proportional to 2,168.08, 2,988.84 and 1,546 is: 2,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.08 : 2,988.84 = 1,546 : x
  2. Step 2: Convert to fraction form
    2,168.08/2,988.84 = 1,546/x
  3. Step 3: Cross multiply
    2,168.08x = 2,988.84 × 1,546
  4. Step 4: Simplify right side
    2,168.08x = 4,620,746.64
  5. Step 5: Solve for x
    x = 4,620,746.64/2,168.08
  6. Step 6: Final answer
    x = 2,131.26

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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.