Home / 3,014.05-4,159.35-1,687.76

Finding the Fourth Proportional to 3,014.05, 4,159.35 and 1,687.76

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Solution

The fourth proportional to 3,014.05, 4,159.35 and 1,687.76 is: 2,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.05 : 4,159.35 = 1,687.76 : x
  2. Step 2: Convert to fraction form
    3,014.05/4,159.35 = 1,687.76/x
  3. Step 3: Cross multiply
    3,014.05x = 4,159.35 × 1,687.76
  4. Step 4: Simplify right side
    3,014.05x = 7,019,984.56
  5. Step 5: Solve for x
    x = 7,019,984.56/3,014.05
  6. Step 6: Final answer
    x = 2,329.09

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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.