Home / 3,134.16-4,324.04-1,807.76

Finding the Fourth Proportional to 3,134.16, 4,324.04 and 1,807.76

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Solution

The fourth proportional to 3,134.16, 4,324.04 and 1,807.76 is: 2,494.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.16 : 4,324.04 = 1,807.76 : x
  2. Step 2: Convert to fraction form
    3,134.16/4,324.04 = 1,807.76/x
  3. Step 3: Cross multiply
    3,134.16x = 4,324.04 × 1,807.76
  4. Step 4: Simplify right side
    3,134.16x = 7,816,826.55
  5. Step 5: Solve for x
    x = 7,816,826.55/3,134.16
  6. Step 6: Final answer
    x = 2,494.07

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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.