Home / 2,176.38-3,264.93-1,007.55

Finding the Fourth Proportional to 2,176.38, 3,264.93 and 1,007.55

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Solution

The fourth proportional to 2,176.38, 3,264.93 and 1,007.55 is: 1,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.38 : 3,264.93 = 1,007.55 : x
  2. Step 2: Convert to fraction form
    2,176.38/3,264.93 = 1,007.55/x
  3. Step 3: Cross multiply
    2,176.38x = 3,264.93 × 1,007.55
  4. Step 4: Simplify right side
    2,176.38x = 3,289,580.22
  5. Step 5: Solve for x
    x = 3,289,580.22/2,176.38
  6. Step 6: Final answer
    x = 1,511.49

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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.