Home / 3,228.90-4,844.70-1,038.30

Finding the Fourth Proportional to 3,228.90, 4,844.70 and 1,038.30

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Solution

The fourth proportional to 3,228.90, 4,844.70 and 1,038.30 is: 1,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.90 : 4,844.70 = 1,038.30 : x
  2. Step 2: Convert to fraction form
    3,228.90/4,844.70 = 1,038.30/x
  3. Step 3: Cross multiply
    3,228.90x = 4,844.70 × 1,038.30
  4. Step 4: Simplify right side
    3,228.90x = 5,030,252.01
  5. Step 5: Solve for x
    x = 5,030,252.01/3,228.90
  6. Step 6: Final answer
    x = 1,557.88

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1.5x scale

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.