Home / 2,039.81-2,814.77-1,155.60

Finding the Fourth Proportional to 2,039.81, 2,814.77 and 1,155.60

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Solution

The fourth proportional to 2,039.81, 2,814.77 and 1,155.60 is: 1,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.81 : 2,814.77 = 1,155.60 : x
  2. Step 2: Convert to fraction form
    2,039.81/2,814.77 = 1,155.60/x
  3. Step 3: Cross multiply
    2,039.81x = 2,814.77 × 1,155.60
  4. Step 4: Simplify right side
    2,039.81x = 3,252,751.10
  5. Step 5: Solve for x
    x = 3,252,751.10/2,039.81
  6. Step 6: Final answer
    x = 1,594.64

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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.