Home / 2,225.62-3,333.24-1,127.32

Finding the Fourth Proportional to 2,225.62, 3,333.24 and 1,127.32

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Solution

The fourth proportional to 2,225.62, 3,333.24 and 1,127.32 is: 1,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.62 : 3,333.24 = 1,127.32 : x
  2. Step 2: Convert to fraction form
    2,225.62/3,333.24 = 1,127.32/x
  3. Step 3: Cross multiply
    2,225.62x = 3,333.24 × 1,127.32
  4. Step 4: Simplify right side
    2,225.62x = 3,757,628.12
  5. Step 5: Solve for x
    x = 3,757,628.12/2,225.62
  6. Step 6: Final answer
    x = 1,688.35

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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.