Home / 2,913.45-4,371.80-1,614.75

Finding the Fourth Proportional to 2,913.45, 4,371.80 and 1,614.75

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Solution

The fourth proportional to 2,913.45, 4,371.80 and 1,614.75 is: 2,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.45 : 4,371.80 = 1,614.75 : x
  2. Step 2: Convert to fraction form
    2,913.45/4,371.80 = 1,614.75/x
  3. Step 3: Cross multiply
    2,913.45x = 4,371.80 × 1,614.75
  4. Step 4: Simplify right side
    2,913.45x = 7,059,355.98
  5. Step 5: Solve for x
    x = 7,059,355.98/2,913.45
  6. Step 6: Final answer
    x = 2,423.02

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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.