Home / 3,003.95-4,515.61-2,785.59

Finding the Fourth Proportional to 3,003.95, 4,515.61 and 2,785.59

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Solution

The fourth proportional to 3,003.95, 4,515.61 and 2,785.59 is: 4,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.95 : 4,515.61 = 2,785.59 : x
  2. Step 2: Convert to fraction form
    3,003.95/4,515.61 = 2,785.59/x
  3. Step 3: Cross multiply
    3,003.95x = 4,515.61 × 2,785.59
  4. Step 4: Simplify right side
    3,003.95x = 12,578,638.06
  5. Step 5: Solve for x
    x = 12,578,638.06/3,003.95
  6. Step 6: Final answer
    x = 4,187.37

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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.