Home / 1,944.77-2,682.99-1,188.17

Finding the Fourth Proportional to 1,944.77, 2,682.99 and 1,188.17

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Solution

The fourth proportional to 1,944.77, 2,682.99 and 1,188.17 is: 1,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.77 : 2,682.99 = 1,188.17 : x
  2. Step 2: Convert to fraction form
    1,944.77/2,682.99 = 1,188.17/x
  3. Step 3: Cross multiply
    1,944.77x = 2,682.99 × 1,188.17
  4. Step 4: Simplify right side
    1,944.77x = 3,187,834.81
  5. Step 5: Solve for x
    x = 3,187,834.81/1,944.77
  6. Step 6: Final answer
    x = 1,639.19

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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.