Home / 3,365.44-5,045.20-1,312

Finding the Fourth Proportional to 3,365.44, 5,045.20 and 1,312

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Solution

The fourth proportional to 3,365.44, 5,045.20 and 1,312 is: 1,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.44 : 5,045.20 = 1,312 : x
  2. Step 2: Convert to fraction form
    3,365.44/5,045.20 = 1,312/x
  3. Step 3: Cross multiply
    3,365.44x = 5,045.20 × 1,312
  4. Step 4: Simplify right side
    3,365.44x = 6,619,302.40
  5. Step 5: Solve for x
    x = 6,619,302.40/3,365.44
  6. Step 6: Final answer
    x = 1,966.85

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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.