Home / 2,039.49-2,814.16-1,200.13

Finding the Fourth Proportional to 2,039.49, 2,814.16 and 1,200.13

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Solution

The fourth proportional to 2,039.49, 2,814.16 and 1,200.13 is: 1,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.49 : 2,814.16 = 1,200.13 : x
  2. Step 2: Convert to fraction form
    2,039.49/2,814.16 = 1,200.13/x
  3. Step 3: Cross multiply
    2,039.49x = 2,814.16 × 1,200.13
  4. Step 4: Simplify right side
    2,039.49x = 3,377,357.84
  5. Step 5: Solve for x
    x = 3,377,357.84/2,039.49
  6. Step 6: Final answer
    x = 1,655.98

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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.