Home / 3,448.72-4,761.48-2,271.79

Finding the Fourth Proportional to 3,448.72, 4,761.48 and 2,271.79

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Solution

The fourth proportional to 3,448.72, 4,761.48 and 2,271.79 is: 3,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.72 : 4,761.48 = 2,271.79 : x
  2. Step 2: Convert to fraction form
    3,448.72/4,761.48 = 2,271.79/x
  3. Step 3: Cross multiply
    3,448.72x = 4,761.48 × 2,271.79
  4. Step 4: Simplify right side
    3,448.72x = 10,817,082.65
  5. Step 5: Solve for x
    x = 10,817,082.65/3,448.72
  6. Step 6: Final answer
    x = 3,136.55

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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.