Home / 2,626.02-3,940.85-1,699.28

Finding the Fourth Proportional to 2,626.02, 3,940.85 and 1,699.28

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Solution

The fourth proportional to 2,626.02, 3,940.85 and 1,699.28 is: 2,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.02 : 3,940.85 = 1,699.28 : x
  2. Step 2: Convert to fraction form
    2,626.02/3,940.85 = 1,699.28/x
  3. Step 3: Cross multiply
    2,626.02x = 3,940.85 × 1,699.28
  4. Step 4: Simplify right side
    2,626.02x = 6,696,607.59
  5. Step 5: Solve for x
    x = 6,696,607.59/2,626.02
  6. Step 6: Final answer
    x = 2,550.10

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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.