Home / 3,225.15-4,837.95-1,115.90

Finding the Fourth Proportional to 3,225.15, 4,837.95 and 1,115.90

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Solution

The fourth proportional to 3,225.15, 4,837.95 and 1,115.90 is: 1,673.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.15 : 4,837.95 = 1,115.90 : x
  2. Step 2: Convert to fraction form
    3,225.15/4,837.95 = 1,115.90/x
  3. Step 3: Cross multiply
    3,225.15x = 4,837.95 × 1,115.90
  4. Step 4: Simplify right side
    3,225.15x = 5,398,640.03
  5. Step 5: Solve for x
    x = 5,398,640.03/3,225.15
  6. Step 6: Final answer
    x = 1,673.92

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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.