Home / 2,834.21-4,252.70-1,275.31

Finding the Fourth Proportional to 2,834.21, 4,252.70 and 1,275.31

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Solution

The fourth proportional to 2,834.21, 4,252.70 and 1,275.31 is: 1,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.21 : 4,252.70 = 1,275.31 : x
  2. Step 2: Convert to fraction form
    2,834.21/4,252.70 = 1,275.31/x
  3. Step 3: Cross multiply
    2,834.21x = 4,252.70 × 1,275.31
  4. Step 4: Simplify right side
    2,834.21x = 5,423,510.84
  5. Step 5: Solve for x
    x = 5,423,510.84/2,834.21
  6. Step 6: Final answer
    x = 1,913.59

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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.