Home / 2,809.34-4,215.48-1,250.85

Finding the Fourth Proportional to 2,809.34, 4,215.48 and 1,250.85

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Solution

The fourth proportional to 2,809.34, 4,215.48 and 1,250.85 is: 1,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.34 : 4,215.48 = 1,250.85 : x
  2. Step 2: Convert to fraction form
    2,809.34/4,215.48 = 1,250.85/x
  3. Step 3: Cross multiply
    2,809.34x = 4,215.48 × 1,250.85
  4. Step 4: Simplify right side
    2,809.34x = 5,272,933.16
  5. Step 5: Solve for x
    x = 5,272,933.16/2,809.34
  6. Step 6: Final answer
    x = 1,876.93

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1.5x scale

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.