Home / 3,013.75-4,521.12-1,039.30

Finding the Fourth Proportional to 3,013.75, 4,521.12 and 1,039.30

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Solution

The fourth proportional to 3,013.75, 4,521.12 and 1,039.30 is: 1,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.75 : 4,521.12 = 1,039.30 : x
  2. Step 2: Convert to fraction form
    3,013.75/4,521.12 = 1,039.30/x
  3. Step 3: Cross multiply
    3,013.75x = 4,521.12 × 1,039.30
  4. Step 4: Simplify right side
    3,013.75x = 4,698,800.02
  5. Step 5: Solve for x
    x = 4,698,800.02/3,013.75
  6. Step 6: Final answer
    x = 1,559.12

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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.