Home / 2,283.39-3,151.09-1,235.46

Finding the Fourth Proportional to 2,283.39, 3,151.09 and 1,235.46

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Solution

The fourth proportional to 2,283.39, 3,151.09 and 1,235.46 is: 1,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.39 : 3,151.09 = 1,235.46 : x
  2. Step 2: Convert to fraction form
    2,283.39/3,151.09 = 1,235.46/x
  3. Step 3: Cross multiply
    2,283.39x = 3,151.09 × 1,235.46
  4. Step 4: Simplify right side
    2,283.39x = 3,893,045.65
  5. Step 5: Solve for x
    x = 3,893,045.65/2,283.39
  6. Step 6: Final answer
    x = 1,704.94

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1.5x scale

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.