Home / 2,746.36-4,119.50-666.38

Finding the Fourth Proportional to 2,746.36, 4,119.50 and 666.38

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Solution

The fourth proportional to 2,746.36, 4,119.50 and 666.38 is: 999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.36 : 4,119.50 = 666.38 : x
  2. Step 2: Convert to fraction form
    2,746.36/4,119.50 = 666.38/x
  3. Step 3: Cross multiply
    2,746.36x = 4,119.50 × 666.38
  4. Step 4: Simplify right side
    2,746.36x = 2,745,128.48
  5. Step 5: Solve for x
    x = 2,745,128.48/2,746.36
  6. Step 6: Final answer
    x = 999.55

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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.