Home / 3,957.93-5,462.45-2,279.06

Finding the Fourth Proportional to 3,957.93, 5,462.45 and 2,279.06

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Solution

The fourth proportional to 3,957.93, 5,462.45 and 2,279.06 is: 3,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.93 : 5,462.45 = 2,279.06 : x
  2. Step 2: Convert to fraction form
    3,957.93/5,462.45 = 2,279.06/x
  3. Step 3: Cross multiply
    3,957.93x = 5,462.45 × 2,279.06
  4. Step 4: Simplify right side
    3,957.93x = 12,449,260.19
  5. Step 5: Solve for x
    x = 12,449,260.19/3,957.93
  6. Step 6: Final answer
    x = 3,145.40

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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.