Home / 2,746.20-4,119.26-666.17

Finding the Fourth Proportional to 2,746.20, 4,119.26 and 666.17

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Solution

The fourth proportional to 2,746.20, 4,119.26 and 666.17 is: 999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.20 : 4,119.26 = 666.17 : x
  2. Step 2: Convert to fraction form
    2,746.20/4,119.26 = 666.17/x
  3. Step 3: Cross multiply
    2,746.20x = 4,119.26 × 666.17
  4. Step 4: Simplify right side
    2,746.20x = 2,744,142.13
  5. Step 5: Solve for x
    x = 2,744,142.13/2,746.20
  6. Step 6: Final answer
    x = 999.25

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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.