Home / 3,134.64-4,701.36-1,186.20

Finding the Fourth Proportional to 3,134.64, 4,701.36 and 1,186.20

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Solution

The fourth proportional to 3,134.64, 4,701.36 and 1,186.20 is: 1,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.64 : 4,701.36 = 1,186.20 : x
  2. Step 2: Convert to fraction form
    3,134.64/4,701.36 = 1,186.20/x
  3. Step 3: Cross multiply
    3,134.64x = 4,701.36 × 1,186.20
  4. Step 4: Simplify right side
    3,134.64x = 5,576,753.23
  5. Step 5: Solve for x
    x = 5,576,753.23/3,134.64
  6. Step 6: Final answer
    x = 1,779.07

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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.