Home / 2,669.30-4,005.36-1,370.77

Finding the Fourth Proportional to 2,669.30, 4,005.36 and 1,370.77

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Solution

The fourth proportional to 2,669.30, 4,005.36 and 1,370.77 is: 2,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.30 : 4,005.36 = 1,370.77 : x
  2. Step 2: Convert to fraction form
    2,669.30/4,005.36 = 1,370.77/x
  3. Step 3: Cross multiply
    2,669.30x = 4,005.36 × 1,370.77
  4. Step 4: Simplify right side
    2,669.30x = 5,490,427.33
  5. Step 5: Solve for x
    x = 5,490,427.33/2,669.30
  6. Step 6: Final answer
    x = 2,056.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.