Home / 3,315.86-4,573.97-2,071.70

Finding the Fourth Proportional to 3,315.86, 4,573.97 and 2,071.70

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Solution

The fourth proportional to 3,315.86, 4,573.97 and 2,071.70 is: 2,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.86 : 4,573.97 = 2,071.70 : x
  2. Step 2: Convert to fraction form
    3,315.86/4,573.97 = 2,071.70/x
  3. Step 3: Cross multiply
    3,315.86x = 4,573.97 × 2,071.70
  4. Step 4: Simplify right side
    3,315.86x = 9,475,860.42
  5. Step 5: Solve for x
    x = 9,475,860.42/3,315.86
  6. Step 6: Final answer
    x = 2,857.74

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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.