Home / 2,119.49-2,925.08-1,235.27

Finding the Fourth Proportional to 2,119.49, 2,925.08 and 1,235.27

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Solution

The fourth proportional to 2,119.49, 2,925.08 and 1,235.27 is: 1,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.49 : 2,925.08 = 1,235.27 : x
  2. Step 2: Convert to fraction form
    2,119.49/2,925.08 = 1,235.27/x
  3. Step 3: Cross multiply
    2,119.49x = 2,925.08 × 1,235.27
  4. Step 4: Simplify right side
    2,119.49x = 3,613,263.57
  5. Step 5: Solve for x
    x = 3,613,263.57/2,119.49
  6. Step 6: Final answer
    x = 1,704.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.