Home / 2,890.13-4,334.11-1,040.77

Finding the Fourth Proportional to 2,890.13, 4,334.11 and 1,040.77

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Solution

The fourth proportional to 2,890.13, 4,334.11 and 1,040.77 is: 1,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.13 : 4,334.11 = 1,040.77 : x
  2. Step 2: Convert to fraction form
    2,890.13/4,334.11 = 1,040.77/x
  3. Step 3: Cross multiply
    2,890.13x = 4,334.11 × 1,040.77
  4. Step 4: Simplify right side
    2,890.13x = 4,510,811.66
  5. Step 5: Solve for x
    x = 4,510,811.66/2,890.13
  6. Step 6: Final answer
    x = 1,560.76

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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.