Home / 2,622.60-3,917.95-1,876.29

Finding the Fourth Proportional to 2,622.60, 3,917.95 and 1,876.29

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Solution

The fourth proportional to 2,622.60, 3,917.95 and 1,876.29 is: 2,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.60 : 3,917.95 = 1,876.29 : x
  2. Step 2: Convert to fraction form
    2,622.60/3,917.95 = 1,876.29/x
  3. Step 3: Cross multiply
    2,622.60x = 3,917.95 × 1,876.29
  4. Step 4: Simplify right side
    2,622.60x = 7,351,210.41
  5. Step 5: Solve for x
    x = 7,351,210.41/2,622.60
  6. Step 6: Final answer
    x = 2,803.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.