Home / 1,611.71-2,415.47-1,594.29

Finding the Fourth Proportional to 1,611.71, 2,415.47 and 1,594.29

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Solution

The fourth proportional to 1,611.71, 2,415.47 and 1,594.29 is: 2,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.71 : 2,415.47 = 1,594.29 : x
  2. Step 2: Convert to fraction form
    1,611.71/2,415.47 = 1,594.29/x
  3. Step 3: Cross multiply
    1,611.71x = 2,415.47 × 1,594.29
  4. Step 4: Simplify right side
    1,611.71x = 3,850,951.69
  5. Step 5: Solve for x
    x = 3,850,951.69/1,611.71
  6. Step 6: Final answer
    x = 2,389.37

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1.5x scale

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.