Home / 2,525.96-3,486-1,531.28

Finding the Fourth Proportional to 2,525.96, 3,486 and 1,531.28

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Solution

The fourth proportional to 2,525.96, 3,486 and 1,531.28 is: 2,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.96 : 3,486 = 1,531.28 : x
  2. Step 2: Convert to fraction form
    2,525.96/3,486 = 1,531.28/x
  3. Step 3: Cross multiply
    2,525.96x = 3,486 × 1,531.28
  4. Step 4: Simplify right side
    2,525.96x = 5,338,042.08
  5. Step 5: Solve for x
    x = 5,338,042.08/2,525.96
  6. Step 6: Final answer
    x = 2,113.27

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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.