Home / 3,134.40-4,324.02-1,807.62

Finding the Fourth Proportional to 3,134.40, 4,324.02 and 1,807.62

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Solution

The fourth proportional to 3,134.40, 4,324.02 and 1,807.62 is: 2,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.40 : 4,324.02 = 1,807.62 : x
  2. Step 2: Convert to fraction form
    3,134.40/4,324.02 = 1,807.62/x
  3. Step 3: Cross multiply
    3,134.40x = 4,324.02 × 1,807.62
  4. Step 4: Simplify right side
    3,134.40x = 7,816,185.03
  5. Step 5: Solve for x
    x = 7,816,185.03/3,134.40
  6. Step 6: Final answer
    x = 2,493.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.