Home / 3,315.17-4,573.61-1,898.09

Finding the Fourth Proportional to 3,315.17, 4,573.61 and 1,898.09

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Solution

The fourth proportional to 3,315.17, 4,573.61 and 1,898.09 is: 2,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.17 : 4,573.61 = 1,898.09 : x
  2. Step 2: Convert to fraction form
    3,315.17/4,573.61 = 1,898.09/x
  3. Step 3: Cross multiply
    3,315.17x = 4,573.61 × 1,898.09
  4. Step 4: Simplify right side
    3,315.17x = 8,681,091.05
  5. Step 5: Solve for x
    x = 8,681,091.05/3,315.17
  6. Step 6: Final answer
    x = 2,618.60

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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.