Home / 2,039.77-3,045-1,895.22

Finding the Fourth Proportional to 2,039.77, 3,045 and 1,895.22

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Solution

The fourth proportional to 2,039.77, 3,045 and 1,895.22 is: 2,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.77 : 3,045 = 1,895.22 : x
  2. Step 2: Convert to fraction form
    2,039.77/3,045 = 1,895.22/x
  3. Step 3: Cross multiply
    2,039.77x = 3,045 × 1,895.22
  4. Step 4: Simplify right side
    2,039.77x = 5,770,944.90
  5. Step 5: Solve for x
    x = 5,770,944.90/2,039.77
  6. Step 6: Final answer
    x = 2,829.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.