Home / 2,133.29-3,199.95-1,264.97

Finding the Fourth Proportional to 2,133.29, 3,199.95 and 1,264.97

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Solution

The fourth proportional to 2,133.29, 3,199.95 and 1,264.97 is: 1,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.29 : 3,199.95 = 1,264.97 : x
  2. Step 2: Convert to fraction form
    2,133.29/3,199.95 = 1,264.97/x
  3. Step 3: Cross multiply
    2,133.29x = 3,199.95 × 1,264.97
  4. Step 4: Simplify right side
    2,133.29x = 4,047,848.75
  5. Step 5: Solve for x
    x = 4,047,848.75/2,133.29
  6. Step 6: Final answer
    x = 1,897.47

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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.