Home / 2,009.23-2,772.90-1,125.11

Finding the Fourth Proportional to 2,009.23, 2,772.90 and 1,125.11

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Solution

The fourth proportional to 2,009.23, 2,772.90 and 1,125.11 is: 1,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.23 : 2,772.90 = 1,125.11 : x
  2. Step 2: Convert to fraction form
    2,009.23/2,772.90 = 1,125.11/x
  3. Step 3: Cross multiply
    2,009.23x = 2,772.90 × 1,125.11
  4. Step 4: Simplify right side
    2,009.23x = 3,119,824.45
  5. Step 5: Solve for x
    x = 3,119,824.45/2,009.23
  6. Step 6: Final answer
    x = 1,552.75

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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.