Home / 3,717.44-5,130.05-2,038.80

Finding the Fourth Proportional to 3,717.44, 5,130.05 and 2,038.80

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Solution

The fourth proportional to 3,717.44, 5,130.05 and 2,038.80 is: 2,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.44 : 5,130.05 = 2,038.80 : x
  2. Step 2: Convert to fraction form
    3,717.44/5,130.05 = 2,038.80/x
  3. Step 3: Cross multiply
    3,717.44x = 5,130.05 × 2,038.80
  4. Step 4: Simplify right side
    3,717.44x = 10,459,135.75
  5. Step 5: Solve for x
    x = 10,459,135.75/3,717.44
  6. Step 6: Final answer
    x = 2,813.54

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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.