Home / 3,717.65-5,130.33-2,039.03

Finding the Fourth Proportional to 3,717.65, 5,130.33 and 2,039.03

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Solution

The fourth proportional to 3,717.65, 5,130.33 and 2,039.03 is: 2,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.65 : 5,130.33 = 2,039.03 : x
  2. Step 2: Convert to fraction form
    3,717.65/5,130.33 = 2,039.03/x
  3. Step 3: Cross multiply
    3,717.65x = 5,130.33 × 2,039.03
  4. Step 4: Simplify right side
    3,717.65x = 10,460,896.78
  5. Step 5: Solve for x
    x = 10,460,896.78/3,717.65
  6. Step 6: Final answer
    x = 2,813.85

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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.