Home / 3,717.95-5,130.71-2,039.33

Finding the Fourth Proportional to 3,717.95, 5,130.71 and 2,039.33

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Solution

The fourth proportional to 3,717.95, 5,130.71 and 2,039.33 is: 2,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.95 : 5,130.71 = 2,039.33 : x
  2. Step 2: Convert to fraction form
    3,717.95/5,130.71 = 2,039.33/x
  3. Step 3: Cross multiply
    3,717.95x = 5,130.71 × 2,039.33
  4. Step 4: Simplify right side
    3,717.95x = 10,463,174.97
  5. Step 5: Solve for x
    x = 10,463,174.97/3,717.95
  6. Step 6: Final answer
    x = 2,814.24

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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.