Home / 3,955.60-5,459.38-3,009.88

Finding the Fourth Proportional to 3,955.60, 5,459.38 and 3,009.88

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Solution

The fourth proportional to 3,955.60, 5,459.38 and 3,009.88 is: 4,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.60 : 5,459.38 = 3,009.88 : x
  2. Step 2: Convert to fraction form
    3,955.60/5,459.38 = 3,009.88/x
  3. Step 3: Cross multiply
    3,955.60x = 5,459.38 × 3,009.88
  4. Step 4: Simplify right side
    3,955.60x = 16,432,078.67
  5. Step 5: Solve for x
    x = 16,432,078.67/3,955.60
  6. Step 6: Final answer
    x = 4,154.13

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1.5x scale

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.