Home / 1,348.07-2,010.37-1,198.74

Finding the Fourth Proportional to 1,348.07, 2,010.37 and 1,198.74

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Solution

The fourth proportional to 1,348.07, 2,010.37 and 1,198.74 is: 1,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.07 : 2,010.37 = 1,198.74 : x
  2. Step 2: Convert to fraction form
    1,348.07/2,010.37 = 1,198.74/x
  3. Step 3: Cross multiply
    1,348.07x = 2,010.37 × 1,198.74
  4. Step 4: Simplify right side
    1,348.07x = 2,409,904.89
  5. Step 5: Solve for x
    x = 2,409,904.89/1,348.07
  6. Step 6: Final answer
    x = 1,787.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.