Home / 2,039.47-2,814.73-1,155.26

Finding the Fourth Proportional to 2,039.47, 2,814.73 and 1,155.26

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Solution

The fourth proportional to 2,039.47, 2,814.73 and 1,155.26 is: 1,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.47 : 2,814.73 = 1,155.26 : x
  2. Step 2: Convert to fraction form
    2,039.47/2,814.73 = 1,155.26/x
  3. Step 3: Cross multiply
    2,039.47x = 2,814.73 × 1,155.26
  4. Step 4: Simplify right side
    2,039.47x = 3,251,749.13
  5. Step 5: Solve for x
    x = 3,251,749.13/2,039.47
  6. Step 6: Final answer
    x = 1,594.41

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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.