Home / 1,611.29-2,223.95-1,050.77

Finding the Fourth Proportional to 1,611.29, 2,223.95 and 1,050.77

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Solution

The fourth proportional to 1,611.29, 2,223.95 and 1,050.77 is: 1,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.29 : 2,223.95 = 1,050.77 : x
  2. Step 2: Convert to fraction form
    1,611.29/2,223.95 = 1,050.77/x
  3. Step 3: Cross multiply
    1,611.29x = 2,223.95 × 1,050.77
  4. Step 4: Simplify right side
    1,611.29x = 2,336,843.57
  5. Step 5: Solve for x
    x = 2,336,843.57/1,611.29
  6. Step 6: Final answer
    x = 1,450.30

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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.