Home / 3,086.53-4,631.63-1,885.36

Finding the Fourth Proportional to 3,086.53, 4,631.63 and 1,885.36

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Solution

The fourth proportional to 3,086.53, 4,631.63 and 1,885.36 is: 2,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.53 : 4,631.63 = 1,885.36 : x
  2. Step 2: Convert to fraction form
    3,086.53/4,631.63 = 1,885.36/x
  3. Step 3: Cross multiply
    3,086.53x = 4,631.63 × 1,885.36
  4. Step 4: Simplify right side
    3,086.53x = 8,732,289.94
  5. Step 5: Solve for x
    x = 8,732,289.94/3,086.53
  6. Step 6: Final answer
    x = 2,829.16

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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.