Home / 2,688.24-4,026.72-2,036.96

Finding the Fourth Proportional to 2,688.24, 4,026.72 and 2,036.96

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Solution

The fourth proportional to 2,688.24, 4,026.72 and 2,036.96 is: 3,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.24 : 4,026.72 = 2,036.96 : x
  2. Step 2: Convert to fraction form
    2,688.24/4,026.72 = 2,036.96/x
  3. Step 3: Cross multiply
    2,688.24x = 4,026.72 × 2,036.96
  4. Step 4: Simplify right side
    2,688.24x = 8,202,267.57
  5. Step 5: Solve for x
    x = 8,202,267.57/2,688.24
  6. Step 6: Final answer
    x = 3,051.17

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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.