Home / 2,834.59-4,242.79-1,515.05

Finding the Fourth Proportional to 2,834.59, 4,242.79 and 1,515.05

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Solution

The fourth proportional to 2,834.59, 4,242.79 and 1,515.05 is: 2,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.59 : 4,242.79 = 1,515.05 : x
  2. Step 2: Convert to fraction form
    2,834.59/4,242.79 = 1,515.05/x
  3. Step 3: Cross multiply
    2,834.59x = 4,242.79 × 1,515.05
  4. Step 4: Simplify right side
    2,834.59x = 6,428,038.99
  5. Step 5: Solve for x
    x = 6,428,038.99/2,834.59
  6. Step 6: Final answer
    x = 2,267.71

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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.