Home / 2,972.10-4,463.01-2,320.86

Finding the Fourth Proportional to 2,972.10, 4,463.01 and 2,320.86

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Solution

The fourth proportional to 2,972.10, 4,463.01 and 2,320.86 is: 3,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.10 : 4,463.01 = 2,320.86 : x
  2. Step 2: Convert to fraction form
    2,972.10/4,463.01 = 2,320.86/x
  3. Step 3: Cross multiply
    2,972.10x = 4,463.01 × 2,320.86
  4. Step 4: Simplify right side
    2,972.10x = 10,358,021.39
  5. Step 5: Solve for x
    x = 10,358,021.39/2,972.10
  6. Step 6: Final answer
    x = 3,485.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.