Home / 3,426.95-4,729.16-1,855.03

Finding the Fourth Proportional to 3,426.95, 4,729.16 and 1,855.03

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Solution

The fourth proportional to 3,426.95, 4,729.16 and 1,855.03 is: 2,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.95 : 4,729.16 = 1,855.03 : x
  2. Step 2: Convert to fraction form
    3,426.95/4,729.16 = 1,855.03/x
  3. Step 3: Cross multiply
    3,426.95x = 4,729.16 × 1,855.03
  4. Step 4: Simplify right side
    3,426.95x = 8,772,700.75
  5. Step 5: Solve for x
    x = 8,772,700.75/3,426.95
  6. Step 6: Final answer
    x = 2,559.92

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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.