Home / 3,539.40-5,302.70-2,886.60

Finding the Fourth Proportional to 3,539.40, 5,302.70 and 2,886.60

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Solution

The fourth proportional to 3,539.40, 5,302.70 and 2,886.60 is: 4,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.40 : 5,302.70 = 2,886.60 : x
  2. Step 2: Convert to fraction form
    3,539.40/5,302.70 = 2,886.60/x
  3. Step 3: Cross multiply
    3,539.40x = 5,302.70 × 2,886.60
  4. Step 4: Simplify right side
    3,539.40x = 15,306,773.82
  5. Step 5: Solve for x
    x = 15,306,773.82/3,539.40
  6. Step 6: Final answer
    x = 4,324.68

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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.