Home / 3,115.08-4,672.15-1,035.03

Finding the Fourth Proportional to 3,115.08, 4,672.15 and 1,035.03

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Solution

The fourth proportional to 3,115.08, 4,672.15 and 1,035.03 is: 1,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.08 : 4,672.15 = 1,035.03 : x
  2. Step 2: Convert to fraction form
    3,115.08/4,672.15 = 1,035.03/x
  3. Step 3: Cross multiply
    3,115.08x = 4,672.15 × 1,035.03
  4. Step 4: Simplify right side
    3,115.08x = 4,835,815.41
  5. Step 5: Solve for x
    x = 4,835,815.41/3,115.08
  6. Step 6: Final answer
    x = 1,552.39

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1.5x scale

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.