Home / 3,134.30-4,701.45-1,902.07

Finding the Fourth Proportional to 3,134.30, 4,701.45 and 1,902.07

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Solution

The fourth proportional to 3,134.30, 4,701.45 and 1,902.07 is: 2,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.30 : 4,701.45 = 1,902.07 : x
  2. Step 2: Convert to fraction form
    3,134.30/4,701.45 = 1,902.07/x
  3. Step 3: Cross multiply
    3,134.30x = 4,701.45 × 1,902.07
  4. Step 4: Simplify right side
    3,134.30x = 8,942,463.49
  5. Step 5: Solve for x
    x = 8,942,463.49/3,134.30
  6. Step 6: Final answer
    x = 2,853.10

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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.