Home / 2,127.60-3,192.36-1,153.52

Finding the Fourth Proportional to 2,127.60, 3,192.36 and 1,153.52

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Solution

The fourth proportional to 2,127.60, 3,192.36 and 1,153.52 is: 1,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.60 : 3,192.36 = 1,153.52 : x
  2. Step 2: Convert to fraction form
    2,127.60/3,192.36 = 1,153.52/x
  3. Step 3: Cross multiply
    2,127.60x = 3,192.36 × 1,153.52
  4. Step 4: Simplify right side
    2,127.60x = 3,682,451.11
  5. Step 5: Solve for x
    x = 3,682,451.11/2,127.60
  6. Step 6: Final answer
    x = 1,730.80

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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.