Home / 3,239.48-4,480.98-3,030.50

Finding the Fourth Proportional to 3,239.48, 4,480.98 and 3,030.50

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Solution

The fourth proportional to 3,239.48, 4,480.98 and 3,030.50 is: 4,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.48 : 4,480.98 = 3,030.50 : x
  2. Step 2: Convert to fraction form
    3,239.48/4,480.98 = 3,030.50/x
  3. Step 3: Cross multiply
    3,239.48x = 4,480.98 × 3,030.50
  4. Step 4: Simplify right side
    3,239.48x = 13,579,609.89
  5. Step 5: Solve for x
    x = 13,579,609.89/3,239.48
  6. Step 6: Final answer
    x = 4,191.91

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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.