Home / 2,688.23-4,032.12-1,227.27

Finding the Fourth Proportional to 2,688.23, 4,032.12 and 1,227.27

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Solution

The fourth proportional to 2,688.23, 4,032.12 and 1,227.27 is: 1,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.23 : 4,032.12 = 1,227.27 : x
  2. Step 2: Convert to fraction form
    2,688.23/4,032.12 = 1,227.27/x
  3. Step 3: Cross multiply
    2,688.23x = 4,032.12 × 1,227.27
  4. Step 4: Simplify right side
    2,688.23x = 4,948,499.91
  5. Step 5: Solve for x
    x = 4,948,499.91/2,688.23
  6. Step 6: Final answer
    x = 1,840.80

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1.5x scale

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.