Home / 3,515.72-4,837.10-2,671.50

Finding the Fourth Proportional to 3,515.72, 4,837.10 and 2,671.50

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Solution

The fourth proportional to 3,515.72, 4,837.10 and 2,671.50 is: 3,675.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.72 : 4,837.10 = 2,671.50 : x
  2. Step 2: Convert to fraction form
    3,515.72/4,837.10 = 2,671.50/x
  3. Step 3: Cross multiply
    3,515.72x = 4,837.10 × 2,671.50
  4. Step 4: Simplify right side
    3,515.72x = 12,922,312.65
  5. Step 5: Solve for x
    x = 12,922,312.65/3,515.72
  6. Step 6: Final answer
    x = 3,675.58

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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.