Home / 2,009.32-2,773.12-1,125.30

Finding the Fourth Proportional to 2,009.32, 2,773.12 and 1,125.30

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Solution

The fourth proportional to 2,009.32, 2,773.12 and 1,125.30 is: 1,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.32 : 2,773.12 = 1,125.30 : x
  2. Step 2: Convert to fraction form
    2,009.32/2,773.12 = 1,125.30/x
  3. Step 3: Cross multiply
    2,009.32x = 2,773.12 × 1,125.30
  4. Step 4: Simplify right side
    2,009.32x = 3,120,603.74
  5. Step 5: Solve for x
    x = 3,120,603.74/2,009.32
  6. Step 6: Final answer
    x = 1,553.07

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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.