Home / 2,009.66-2,774.98-1,379.94

Finding the Fourth Proportional to 2,009.66, 2,774.98 and 1,379.94

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Solution

The fourth proportional to 2,009.66, 2,774.98 and 1,379.94 is: 1,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.66 : 2,774.98 = 1,379.94 : x
  2. Step 2: Convert to fraction form
    2,009.66/2,774.98 = 1,379.94/x
  3. Step 3: Cross multiply
    2,009.66x = 2,774.98 × 1,379.94
  4. Step 4: Simplify right side
    2,009.66x = 3,829,305.90
  5. Step 5: Solve for x
    x = 3,829,305.90/2,009.66
  6. Step 6: Final answer
    x = 1,905.45

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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.