Home / 3,151.89-4,349.70-1,826.01

Finding the Fourth Proportional to 3,151.89, 4,349.70 and 1,826.01

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Solution

The fourth proportional to 3,151.89, 4,349.70 and 1,826.01 is: 2,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.89 : 4,349.70 = 1,826.01 : x
  2. Step 2: Convert to fraction form
    3,151.89/4,349.70 = 1,826.01/x
  3. Step 3: Cross multiply
    3,151.89x = 4,349.70 × 1,826.01
  4. Step 4: Simplify right side
    3,151.89x = 7,942,595.70
  5. Step 5: Solve for x
    x = 7,942,595.70/3,151.89
  6. Step 6: Final answer
    x = 2,519.95

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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.