Home / 3,129.93-4,695.53-1,182.15

Finding the Fourth Proportional to 3,129.93, 4,695.53 and 1,182.15

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Solution

The fourth proportional to 3,129.93, 4,695.53 and 1,182.15 is: 1,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.93 : 4,695.53 = 1,182.15 : x
  2. Step 2: Convert to fraction form
    3,129.93/4,695.53 = 1,182.15/x
  3. Step 3: Cross multiply
    3,129.93x = 4,695.53 × 1,182.15
  4. Step 4: Simplify right side
    3,129.93x = 5,550,814.88
  5. Step 5: Solve for x
    x = 5,550,814.88/3,129.93
  6. Step 6: Final answer
    x = 1,773.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.