Home / 1,611.09-2,405.70-1,567.35

Finding the Fourth Proportional to 1,611.09, 2,405.70 and 1,567.35

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Solution

The fourth proportional to 1,611.09, 2,405.70 and 1,567.35 is: 2,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.09 : 2,405.70 = 1,567.35 : x
  2. Step 2: Convert to fraction form
    1,611.09/2,405.70 = 1,567.35/x
  3. Step 3: Cross multiply
    1,611.09x = 2,405.70 × 1,567.35
  4. Step 4: Simplify right side
    1,611.09x = 3,770,573.90
  5. Step 5: Solve for x
    x = 3,770,573.90/1,611.09
  6. Step 6: Final answer
    x = 2,340.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.