Home / 2,811.26-4,215.98-1,166.93

Finding the Fourth Proportional to 2,811.26, 4,215.98 and 1,166.93

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Solution

The fourth proportional to 2,811.26, 4,215.98 and 1,166.93 is: 1,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.26 : 4,215.98 = 1,166.93 : x
  2. Step 2: Convert to fraction form
    2,811.26/4,215.98 = 1,166.93/x
  3. Step 3: Cross multiply
    2,811.26x = 4,215.98 × 1,166.93
  4. Step 4: Simplify right side
    2,811.26x = 4,919,726.63
  5. Step 5: Solve for x
    x = 4,919,726.63/2,811.26
  6. Step 6: Final answer
    x = 1,750.01

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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.