Home / 3,732.80-5,153.78-2,317.06

Finding the Fourth Proportional to 3,732.80, 5,153.78 and 2,317.06

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Solution

The fourth proportional to 3,732.80, 5,153.78 and 2,317.06 is: 3,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.80 : 5,153.78 = 2,317.06 : x
  2. Step 2: Convert to fraction form
    3,732.80/5,153.78 = 2,317.06/x
  3. Step 3: Cross multiply
    3,732.80x = 5,153.78 × 2,317.06
  4. Step 4: Simplify right side
    3,732.80x = 11,941,617.49
  5. Step 5: Solve for x
    x = 11,941,617.49/3,732.80
  6. Step 6: Final answer
    x = 3,199.10

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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.