Home / 2,009.26-2,772.36-1,345.24

Finding the Fourth Proportional to 2,009.26, 2,772.36 and 1,345.24

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Solution

The fourth proportional to 2,009.26, 2,772.36 and 1,345.24 is: 1,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.26 : 2,772.36 = 1,345.24 : x
  2. Step 2: Convert to fraction form
    2,009.26/2,772.36 = 1,345.24/x
  3. Step 3: Cross multiply
    2,009.26x = 2,772.36 × 1,345.24
  4. Step 4: Simplify right side
    2,009.26x = 3,729,489.57
  5. Step 5: Solve for x
    x = 3,729,489.57/2,009.26
  6. Step 6: Final answer
    x = 1,856.15

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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.