Home / 1,263.66-1,741.23-1,180.86

Finding the Fourth Proportional to 1,263.66, 1,741.23 and 1,180.86

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Solution

The fourth proportional to 1,263.66, 1,741.23 and 1,180.86 is: 1,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.66 : 1,741.23 = 1,180.86 : x
  2. Step 2: Convert to fraction form
    1,263.66/1,741.23 = 1,180.86/x
  3. Step 3: Cross multiply
    1,263.66x = 1,741.23 × 1,180.86
  4. Step 4: Simplify right side
    1,263.66x = 2,056,148.86
  5. Step 5: Solve for x
    x = 2,056,148.86/1,263.66
  6. Step 6: Final answer
    x = 1,627.14

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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.