Home / 2,431.13-3,354.12-1,486.58

Finding the Fourth Proportional to 2,431.13, 3,354.12 and 1,486.58

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Solution

The fourth proportional to 2,431.13, 3,354.12 and 1,486.58 is: 2,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.13 : 3,354.12 = 1,486.58 : x
  2. Step 2: Convert to fraction form
    2,431.13/3,354.12 = 1,486.58/x
  3. Step 3: Cross multiply
    2,431.13x = 3,354.12 × 1,486.58
  4. Step 4: Simplify right side
    2,431.13x = 4,986,150.94
  5. Step 5: Solve for x
    x = 4,986,150.94/2,431.13
  6. Step 6: Final answer
    x = 2,050.96

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1.5x scale

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.