Home / 2,009.12-2,772.58-1,125.13

Finding the Fourth Proportional to 2,009.12, 2,772.58 and 1,125.13

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Solution

The fourth proportional to 2,009.12, 2,772.58 and 1,125.13 is: 1,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.12 : 2,772.58 = 1,125.13 : x
  2. Step 2: Convert to fraction form
    2,009.12/2,772.58 = 1,125.13/x
  3. Step 3: Cross multiply
    2,009.12x = 2,772.58 × 1,125.13
  4. Step 4: Simplify right side
    2,009.12x = 3,119,512.94
  5. Step 5: Solve for x
    x = 3,119,512.94/2,009.12
  6. Step 6: Final answer
    x = 1,552.68

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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.