Home / 2,039.84-2,814.99-1,108.34

Finding the Fourth Proportional to 2,039.84, 2,814.99 and 1,108.34

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Solution

The fourth proportional to 2,039.84, 2,814.99 and 1,108.34 is: 1,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.84 : 2,814.99 = 1,108.34 : x
  2. Step 2: Convert to fraction form
    2,039.84/2,814.99 = 1,108.34/x
  3. Step 3: Cross multiply
    2,039.84x = 2,814.99 × 1,108.34
  4. Step 4: Simplify right side
    2,039.84x = 3,119,966.02
  5. Step 5: Solve for x
    x = 3,119,966.02/2,039.84
  6. Step 6: Final answer
    x = 1,529.52

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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.