Home / 1,806.96-2,494.08-1,247.52

Finding the Fourth Proportional to 1,806.96, 2,494.08 and 1,247.52

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Solution

The fourth proportional to 1,806.96, 2,494.08 and 1,247.52 is: 1,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.96 : 2,494.08 = 1,247.52 : x
  2. Step 2: Convert to fraction form
    1,806.96/2,494.08 = 1,247.52/x
  3. Step 3: Cross multiply
    1,806.96x = 2,494.08 × 1,247.52
  4. Step 4: Simplify right side
    1,806.96x = 3,111,414.68
  5. Step 5: Solve for x
    x = 3,111,414.68/1,806.96
  6. Step 6: Final answer
    x = 1,721.91

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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.