Home / 2,651.95-3,657.63-1,855.02

Finding the Fourth Proportional to 2,651.95, 3,657.63 and 1,855.02

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Solution

The fourth proportional to 2,651.95, 3,657.63 and 1,855.02 is: 2,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.95 : 3,657.63 = 1,855.02 : x
  2. Step 2: Convert to fraction form
    2,651.95/3,657.63 = 1,855.02/x
  3. Step 3: Cross multiply
    2,651.95x = 3,657.63 × 1,855.02
  4. Step 4: Simplify right side
    2,651.95x = 6,784,976.80
  5. Step 5: Solve for x
    x = 6,784,976.80/2,651.95
  6. Step 6: Final answer
    x = 2,558.49

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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.