Home / 2,715.10-4,063.65-1,972.60

Finding the Fourth Proportional to 2,715.10, 4,063.65 and 1,972.60

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Solution

The fourth proportional to 2,715.10, 4,063.65 and 1,972.60 is: 2,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.10 : 4,063.65 = 1,972.60 : x
  2. Step 2: Convert to fraction form
    2,715.10/4,063.65 = 1,972.60/x
  3. Step 3: Cross multiply
    2,715.10x = 4,063.65 × 1,972.60
  4. Step 4: Simplify right side
    2,715.10x = 8,015,955.99
  5. Step 5: Solve for x
    x = 8,015,955.99/2,715.10
  6. Step 6: Final answer
    x = 2,952.36

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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.