Home / 2,743.19-3,785.77-1,564.37

Finding the Fourth Proportional to 2,743.19, 3,785.77 and 1,564.37

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Solution

The fourth proportional to 2,743.19, 3,785.77 and 1,564.37 is: 2,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.19 : 3,785.77 = 1,564.37 : x
  2. Step 2: Convert to fraction form
    2,743.19/3,785.77 = 1,564.37/x
  3. Step 3: Cross multiply
    2,743.19x = 3,785.77 × 1,564.37
  4. Step 4: Simplify right side
    2,743.19x = 5,922,345.01
  5. Step 5: Solve for x
    x = 5,922,345.01/2,743.19
  6. Step 6: Final answer
    x = 2,158.93

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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.