Home / 2,039.64-2,814.69-1,108.14

Finding the Fourth Proportional to 2,039.64, 2,814.69 and 1,108.14

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Solution

The fourth proportional to 2,039.64, 2,814.69 and 1,108.14 is: 1,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.64 : 2,814.69 = 1,108.14 : x
  2. Step 2: Convert to fraction form
    2,039.64/2,814.69 = 1,108.14/x
  3. Step 3: Cross multiply
    2,039.64x = 2,814.69 × 1,108.14
  4. Step 4: Simplify right side
    2,039.64x = 3,119,070.58
  5. Step 5: Solve for x
    x = 3,119,070.58/2,039.64
  6. Step 6: Final answer
    x = 1,529.23

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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.