Home / 2,253.34-3,371.50-1,329.40

Finding the Fourth Proportional to 2,253.34, 3,371.50 and 1,329.40

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Solution

The fourth proportional to 2,253.34, 3,371.50 and 1,329.40 is: 1,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.34 : 3,371.50 = 1,329.40 : x
  2. Step 2: Convert to fraction form
    2,253.34/3,371.50 = 1,329.40/x
  3. Step 3: Cross multiply
    2,253.34x = 3,371.50 × 1,329.40
  4. Step 4: Simplify right side
    2,253.34x = 4,482,072.10
  5. Step 5: Solve for x
    x = 4,482,072.10/2,253.34
  6. Step 6: Final answer
    x = 1,989.08

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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.