Home / 3,203.07-4,420.56-1,787.00

Finding the Fourth Proportional to 3,203.07, 4,420.56 and 1,787.00

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Solution

The fourth proportional to 3,203.07, 4,420.56 and 1,787.00 is: 2,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.07 : 4,420.56 = 1,787.00 : x
  2. Step 2: Convert to fraction form
    3,203.07/4,420.56 = 1,787.00/x
  3. Step 3: Cross multiply
    3,203.07x = 4,420.56 × 1,787.00
  4. Step 4: Simplify right side
    3,203.07x = 7,899,518.62
  5. Step 5: Solve for x
    x = 7,899,518.62/3,203.07
  6. Step 6: Final answer
    x = 2,466.23

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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.