Home / 2,177.58-3,007.94-1,711.35

Finding the Fourth Proportional to 2,177.58, 3,007.94 and 1,711.35

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Solution

The fourth proportional to 2,177.58, 3,007.94 and 1,711.35 is: 2,363.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.58 : 3,007.94 = 1,711.35 : x
  2. Step 2: Convert to fraction form
    2,177.58/3,007.94 = 1,711.35/x
  3. Step 3: Cross multiply
    2,177.58x = 3,007.94 × 1,711.35
  4. Step 4: Simplify right side
    2,177.58x = 5,147,649.92
  5. Step 5: Solve for x
    x = 5,147,649.92/2,177.58
  6. Step 6: Final answer
    x = 2,363.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.