Home / 3,717.44-5,129.84-2,038.72

Finding the Fourth Proportional to 3,717.44, 5,129.84 and 2,038.72

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Solution

The fourth proportional to 3,717.44, 5,129.84 and 2,038.72 is: 2,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.44 : 5,129.84 = 2,038.72 : x
  2. Step 2: Convert to fraction form
    3,717.44/5,129.84 = 2,038.72/x
  3. Step 3: Cross multiply
    3,717.44x = 5,129.84 × 2,038.72
  4. Step 4: Simplify right side
    3,717.44x = 10,458,307.40
  5. Step 5: Solve for x
    x = 10,458,307.40/3,717.44
  6. Step 6: Final answer
    x = 2,813.31

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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.