Home / 1,406.32-2,107.77-995.57

Finding the Fourth Proportional to 1,406.32, 2,107.77 and 995.57

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Solution

The fourth proportional to 1,406.32, 2,107.77 and 995.57 is: 1,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.32 : 2,107.77 = 995.57 : x
  2. Step 2: Convert to fraction form
    1,406.32/2,107.77 = 995.57/x
  3. Step 3: Cross multiply
    1,406.32x = 2,107.77 × 995.57
  4. Step 4: Simplify right side
    1,406.32x = 2,098,437.99
  5. Step 5: Solve for x
    x = 2,098,437.99/1,406.32
  6. Step 6: Final answer
    x = 1,492.15

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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.