Home / 3,430.08-5,138.16-2,737.92

Finding the Fourth Proportional to 3,430.08, 5,138.16 and 2,737.92

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Solution

The fourth proportional to 3,430.08, 5,138.16 and 2,737.92 is: 4,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.08 : 5,138.16 = 2,737.92 : x
  2. Step 2: Convert to fraction form
    3,430.08/5,138.16 = 2,737.92/x
  3. Step 3: Cross multiply
    3,430.08x = 5,138.16 × 2,737.92
  4. Step 4: Simplify right side
    3,430.08x = 14,067,871.03
  5. Step 5: Solve for x
    x = 14,067,871.03/3,430.08
  6. Step 6: Final answer
    x = 4,101.32

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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.