Home / 2,127.45-3,184.75-1,150.59

Finding the Fourth Proportional to 2,127.45, 3,184.75 and 1,150.59

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Solution

The fourth proportional to 2,127.45, 3,184.75 and 1,150.59 is: 1,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.45 : 3,184.75 = 1,150.59 : x
  2. Step 2: Convert to fraction form
    2,127.45/3,184.75 = 1,150.59/x
  3. Step 3: Cross multiply
    2,127.45x = 3,184.75 × 1,150.59
  4. Step 4: Simplify right side
    2,127.45x = 3,664,341.50
  5. Step 5: Solve for x
    x = 3,664,341.50/2,127.45
  6. Step 6: Final answer
    x = 1,722.41

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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.