Home / 3,261.03-4,890.30-1,412.00

Finding the Fourth Proportional to 3,261.03, 4,890.30 and 1,412.00

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Solution

The fourth proportional to 3,261.03, 4,890.30 and 1,412.00 is: 2,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.03 : 4,890.30 = 1,412.00 : x
  2. Step 2: Convert to fraction form
    3,261.03/4,890.30 = 1,412.00/x
  3. Step 3: Cross multiply
    3,261.03x = 4,890.30 × 1,412.00
  4. Step 4: Simplify right side
    3,261.03x = 6,905,079.15
  5. Step 5: Solve for x
    x = 6,905,079.15/3,261.03
  6. Step 6: Final answer
    x = 2,117.45

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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.