Home / 3,051.27-4,209.64-1,855.91

Finding the Fourth Proportional to 3,051.27, 4,209.64 and 1,855.91

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Solution

The fourth proportional to 3,051.27, 4,209.64 and 1,855.91 is: 2,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.27 : 4,209.64 = 1,855.91 : x
  2. Step 2: Convert to fraction form
    3,051.27/4,209.64 = 1,855.91/x
  3. Step 3: Cross multiply
    3,051.27x = 4,209.64 × 1,855.91
  4. Step 4: Simplify right side
    3,051.27x = 7,812,718.86
  5. Step 5: Solve for x
    x = 7,812,718.86/3,051.27
  6. Step 6: Final answer
    x = 2,560.48

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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.