Home / 2,623.59-3,621.65-1,877.85

Finding the Fourth Proportional to 2,623.59, 3,621.65 and 1,877.85

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Solution

The fourth proportional to 2,623.59, 3,621.65 and 1,877.85 is: 2,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.59 : 3,621.65 = 1,877.85 : x
  2. Step 2: Convert to fraction form
    2,623.59/3,621.65 = 1,877.85/x
  3. Step 3: Cross multiply
    2,623.59x = 3,621.65 × 1,877.85
  4. Step 4: Simplify right side
    2,623.59x = 6,800,906.06
  5. Step 5: Solve for x
    x = 6,800,906.06/2,623.59
  6. Step 6: Final answer
    x = 2,592.21

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1.5x scale

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.