Home / 3,925.53-5,417.24-2,157.23

Finding the Fourth Proportional to 3,925.53, 5,417.24 and 2,157.23

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Solution

The fourth proportional to 3,925.53, 5,417.24 and 2,157.23 is: 2,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.53 : 5,417.24 = 2,157.23 : x
  2. Step 2: Convert to fraction form
    3,925.53/5,417.24 = 2,157.23/x
  3. Step 3: Cross multiply
    3,925.53x = 5,417.24 × 2,157.23
  4. Step 4: Simplify right side
    3,925.53x = 11,686,194.77
  5. Step 5: Solve for x
    x = 11,686,194.77/3,925.53
  6. Step 6: Final answer
    x = 2,976.97

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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.