Home / 3,491.51-4,816.56-2,165.94

Finding the Fourth Proportional to 3,491.51, 4,816.56 and 2,165.94

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Solution

The fourth proportional to 3,491.51, 4,816.56 and 2,165.94 is: 2,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.51 : 4,816.56 = 2,165.94 : x
  2. Step 2: Convert to fraction form
    3,491.51/4,816.56 = 2,165.94/x
  3. Step 3: Cross multiply
    3,491.51x = 4,816.56 × 2,165.94
  4. Step 4: Simplify right side
    3,491.51x = 10,432,388.09
  5. Step 5: Solve for x
    x = 10,432,388.09/3,491.51
  6. Step 6: Final answer
    x = 2,987.93

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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.