Home / 3,141.10-4,710.86-1,292.73

Finding the Fourth Proportional to 3,141.10, 4,710.86 and 1,292.73

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Solution

The fourth proportional to 3,141.10, 4,710.86 and 1,292.73 is: 1,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.10 : 4,710.86 = 1,292.73 : x
  2. Step 2: Convert to fraction form
    3,141.10/4,710.86 = 1,292.73/x
  3. Step 3: Cross multiply
    3,141.10x = 4,710.86 × 1,292.73
  4. Step 4: Simplify right side
    3,141.10x = 6,089,870.05
  5. Step 5: Solve for x
    x = 6,089,870.05/3,141.10
  6. Step 6: Final answer
    x = 1,938.77

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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.