Home / 1,611.28-2,223.95-1,050.77

Finding the Fourth Proportional to 1,611.28, 2,223.95 and 1,050.77

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Solution

The fourth proportional to 1,611.28, 2,223.95 and 1,050.77 is: 1,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.28 : 2,223.95 = 1,050.77 : x
  2. Step 2: Convert to fraction form
    1,611.28/2,223.95 = 1,050.77/x
  3. Step 3: Cross multiply
    1,611.28x = 2,223.95 × 1,050.77
  4. Step 4: Simplify right side
    1,611.28x = 2,336,854.69
  5. Step 5: Solve for x
    x = 2,336,854.69/1,611.28
  6. Step 6: Final answer
    x = 1,450.31

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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.