Home / 2,825.17-3,898.76-1,566.25

Finding the Fourth Proportional to 2,825.17, 3,898.76 and 1,566.25

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Solution

The fourth proportional to 2,825.17, 3,898.76 and 1,566.25 is: 2,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.17 : 3,898.76 = 1,566.25 : x
  2. Step 2: Convert to fraction form
    2,825.17/3,898.76 = 1,566.25/x
  3. Step 3: Cross multiply
    2,825.17x = 3,898.76 × 1,566.25
  4. Step 4: Simplify right side
    2,825.17x = 6,106,421.15
  5. Step 5: Solve for x
    x = 6,106,421.15/2,825.17
  6. Step 6: Final answer
    x = 2,161.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.