Home / 2,002.48-2,998.86-1,137.40

Finding the Fourth Proportional to 2,002.48, 2,998.86 and 1,137.40

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Solution

The fourth proportional to 2,002.48, 2,998.86 and 1,137.40 is: 1,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.48 : 2,998.86 = 1,137.40 : x
  2. Step 2: Convert to fraction form
    2,002.48/2,998.86 = 1,137.40/x
  3. Step 3: Cross multiply
    2,002.48x = 2,998.86 × 1,137.40
  4. Step 4: Simplify right side
    2,002.48x = 3,410,903.36
  5. Step 5: Solve for x
    x = 3,410,903.36/2,002.48
  6. Step 6: Final answer
    x = 1,703.34

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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.