Home / 3,147.53-4,739.60-2,331.59

Finding the Fourth Proportional to 3,147.53, 4,739.60 and 2,331.59

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Solution

The fourth proportional to 3,147.53, 4,739.60 and 2,331.59 is: 3,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.53 : 4,739.60 = 2,331.59 : x
  2. Step 2: Convert to fraction form
    3,147.53/4,739.60 = 2,331.59/x
  3. Step 3: Cross multiply
    3,147.53x = 4,739.60 × 2,331.59
  4. Step 4: Simplify right side
    3,147.53x = 11,050,803.96
  5. Step 5: Solve for x
    x = 11,050,803.96/3,147.53
  6. Step 6: Final answer
    x = 3,510.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.