Home / 2,531.25-3,798.84-1,756.69

Finding the Fourth Proportional to 2,531.25, 3,798.84 and 1,756.69

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Solution

The fourth proportional to 2,531.25, 3,798.84 and 1,756.69 is: 2,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.25 : 3,798.84 = 1,756.69 : x
  2. Step 2: Convert to fraction form
    2,531.25/3,798.84 = 1,756.69/x
  3. Step 3: Cross multiply
    2,531.25x = 3,798.84 × 1,756.69
  4. Step 4: Simplify right side
    2,531.25x = 6,673,384.24
  5. Step 5: Solve for x
    x = 6,673,384.24/2,531.25
  6. Step 6: Final answer
    x = 2,636.40

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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.