Home / 3,615.09-4,989.65-2,353.95

Finding the Fourth Proportional to 3,615.09, 4,989.65 and 2,353.95

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Solution

The fourth proportional to 3,615.09, 4,989.65 and 2,353.95 is: 3,248.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.09 : 4,989.65 = 2,353.95 : x
  2. Step 2: Convert to fraction form
    3,615.09/4,989.65 = 2,353.95/x
  3. Step 3: Cross multiply
    3,615.09x = 4,989.65 × 2,353.95
  4. Step 4: Simplify right side
    3,615.09x = 11,745,392.50
  5. Step 5: Solve for x
    x = 11,745,392.50/3,615.09
  6. Step 6: Final answer
    x = 3,248.99

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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.