Home / 4,145.82-5,721.06-2,377.32

Finding the Fourth Proportional to 4,145.82, 5,721.06 and 2,377.32

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Solution

The fourth proportional to 4,145.82, 5,721.06 and 2,377.32 is: 3,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.82 : 5,721.06 = 2,377.32 : x
  2. Step 2: Convert to fraction form
    4,145.82/5,721.06 = 2,377.32/x
  3. Step 3: Cross multiply
    4,145.82x = 5,721.06 × 2,377.32
  4. Step 4: Simplify right side
    4,145.82x = 13,600,790.36
  5. Step 5: Solve for x
    x = 13,600,790.36/4,145.82
  6. Step 6: Final answer
    x = 3,280.60

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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.