Home / 3,137.10-4,703.91-2,151.06

Finding the Fourth Proportional to 3,137.10, 4,703.91 and 2,151.06

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Solution

The fourth proportional to 3,137.10, 4,703.91 and 2,151.06 is: 3,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.10 : 4,703.91 = 2,151.06 : x
  2. Step 2: Convert to fraction form
    3,137.10/4,703.91 = 2,151.06/x
  3. Step 3: Cross multiply
    3,137.10x = 4,703.91 × 2,151.06
  4. Step 4: Simplify right side
    3,137.10x = 10,118,392.64
  5. Step 5: Solve for x
    x = 10,118,392.64/3,137.10
  6. Step 6: Final answer
    x = 3,225.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.