Home / 2,324.72-3,208.19-1,276.79

Finding the Fourth Proportional to 2,324.72, 3,208.19 and 1,276.79

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Solution

The fourth proportional to 2,324.72, 3,208.19 and 1,276.79 is: 1,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.72 : 3,208.19 = 1,276.79 : x
  2. Step 2: Convert to fraction form
    2,324.72/3,208.19 = 1,276.79/x
  3. Step 3: Cross multiply
    2,324.72x = 3,208.19 × 1,276.79
  4. Step 4: Simplify right side
    2,324.72x = 4,096,162.49
  5. Step 5: Solve for x
    x = 4,096,162.49/2,324.72
  6. Step 6: Final answer
    x = 1,762.00

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1.5x scale

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.