Home / 2,914.60-4,371.90-1,065.76

Finding the Fourth Proportional to 2,914.60, 4,371.90 and 1,065.76

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Solution

The fourth proportional to 2,914.60, 4,371.90 and 1,065.76 is: 1,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.60 : 4,371.90 = 1,065.76 : x
  2. Step 2: Convert to fraction form
    2,914.60/4,371.90 = 1,065.76/x
  3. Step 3: Cross multiply
    2,914.60x = 4,371.90 × 1,065.76
  4. Step 4: Simplify right side
    2,914.60x = 4,659,396.14
  5. Step 5: Solve for x
    x = 4,659,396.14/2,914.60
  6. Step 6: Final answer
    x = 1,598.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.