Home / 2,486.74-3,431.55-1,492.57

Finding the Fourth Proportional to 2,486.74, 3,431.55 and 1,492.57

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Solution

The fourth proportional to 2,486.74, 3,431.55 and 1,492.57 is: 2,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.74 : 3,431.55 = 1,492.57 : x
  2. Step 2: Convert to fraction form
    2,486.74/3,431.55 = 1,492.57/x
  3. Step 3: Cross multiply
    2,486.74x = 3,431.55 × 1,492.57
  4. Step 4: Simplify right side
    2,486.74x = 5,121,828.58
  5. Step 5: Solve for x
    x = 5,121,828.58/2,486.74
  6. Step 6: Final answer
    x = 2,059.66

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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.