Home / 2,039.13-2,813.77-1,142.93

Finding the Fourth Proportional to 2,039.13, 2,813.77 and 1,142.93

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Solution

The fourth proportional to 2,039.13, 2,813.77 and 1,142.93 is: 1,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.13 : 2,813.77 = 1,142.93 : x
  2. Step 2: Convert to fraction form
    2,039.13/2,813.77 = 1,142.93/x
  3. Step 3: Cross multiply
    2,039.13x = 2,813.77 × 1,142.93
  4. Step 4: Simplify right side
    2,039.13x = 3,215,942.15
  5. Step 5: Solve for x
    x = 3,215,942.15/2,039.13
  6. Step 6: Final answer
    x = 1,577.11

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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.