Home / 2,101.95-3,153.74-1,007.24

Finding the Fourth Proportional to 2,101.95, 3,153.74 and 1,007.24

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Solution

The fourth proportional to 2,101.95, 3,153.74 and 1,007.24 is: 1,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.95 : 3,153.74 = 1,007.24 : x
  2. Step 2: Convert to fraction form
    2,101.95/3,153.74 = 1,007.24/x
  3. Step 3: Cross multiply
    2,101.95x = 3,153.74 × 1,007.24
  4. Step 4: Simplify right side
    2,101.95x = 3,176,552.27
  5. Step 5: Solve for x
    x = 3,176,552.27/2,101.95
  6. Step 6: Final answer
    x = 1,511.24

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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.