Home / 2,688.28-4,030.48-1,043.44

Finding the Fourth Proportional to 2,688.28, 4,030.48 and 1,043.44

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Solution

The fourth proportional to 2,688.28, 4,030.48 and 1,043.44 is: 1,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.28 : 4,030.48 = 1,043.44 : x
  2. Step 2: Convert to fraction form
    2,688.28/4,030.48 = 1,043.44/x
  3. Step 3: Cross multiply
    2,688.28x = 4,030.48 × 1,043.44
  4. Step 4: Simplify right side
    2,688.28x = 4,205,564.05
  5. Step 5: Solve for x
    x = 4,205,564.05/2,688.28
  6. Step 6: Final answer
    x = 1,564.41

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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.