Home / 2,088.88-3,133.20-1,267.36

Finding the Fourth Proportional to 2,088.88, 3,133.20 and 1,267.36

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Solution

The fourth proportional to 2,088.88, 3,133.20 and 1,267.36 is: 1,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.88 : 3,133.20 = 1,267.36 : x
  2. Step 2: Convert to fraction form
    2,088.88/3,133.20 = 1,267.36/x
  3. Step 3: Cross multiply
    2,088.88x = 3,133.20 × 1,267.36
  4. Step 4: Simplify right side
    2,088.88x = 3,970,892.35
  5. Step 5: Solve for x
    x = 3,970,892.35/2,088.88
  6. Step 6: Final answer
    x = 1,900.97

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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.