Home / 3,717.30-5,125.62-2,970.75

Finding the Fourth Proportional to 3,717.30, 5,125.62 and 2,970.75

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Solution

The fourth proportional to 3,717.30, 5,125.62 and 2,970.75 is: 4,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.30 : 5,125.62 = 2,970.75 : x
  2. Step 2: Convert to fraction form
    3,717.30/5,125.62 = 2,970.75/x
  3. Step 3: Cross multiply
    3,717.30x = 5,125.62 × 2,970.75
  4. Step 4: Simplify right side
    3,717.30x = 15,226,935.62
  5. Step 5: Solve for x
    x = 15,226,935.62/3,717.30
  6. Step 6: Final answer
    x = 4,096.24

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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.