Home / 3,717.48-5,130.48-2,320.44

Finding the Fourth Proportional to 3,717.48, 5,130.48 and 2,320.44

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Solution

The fourth proportional to 3,717.48, 5,130.48 and 2,320.44 is: 3,202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.48 : 5,130.48 = 2,320.44 : x
  2. Step 2: Convert to fraction form
    3,717.48/5,130.48 = 2,320.44/x
  3. Step 3: Cross multiply
    3,717.48x = 5,130.48 × 2,320.44
  4. Step 4: Simplify right side
    3,717.48x = 11,904,971.01
  5. Step 5: Solve for x
    x = 11,904,971.01/3,717.48
  6. Step 6: Final answer
    x = 3,202.43

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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.