Home / 2,277.76-3,143.10-1,333.66

Finding the Fourth Proportional to 2,277.76, 3,143.10 and 1,333.66

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Solution

The fourth proportional to 2,277.76, 3,143.10 and 1,333.66 is: 1,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.76 : 3,143.10 = 1,333.66 : x
  2. Step 2: Convert to fraction form
    2,277.76/3,143.10 = 1,333.66/x
  3. Step 3: Cross multiply
    2,277.76x = 3,143.10 × 1,333.66
  4. Step 4: Simplify right side
    2,277.76x = 4,191,826.75
  5. Step 5: Solve for x
    x = 4,191,826.75/2,277.76
  6. Step 6: Final answer
    x = 1,840.33

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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.